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Winter 2020 Weather History at Niigata Airport Japan

This report shows the past weather for Niigata Airport, providing a weather history for the winter of 2020. It features all historical weather data series we have available, including the Niigata Airport temperature history for the winter of 2020. You can drill down from year to month and even day level reports by clicking on the graphs.

Niigata Airport Temperature History in the Winter of 2020

History:202320222021202020192018201720162015
Temperature history in the Winter of 2020 at Niigata AirportDecJanFeb20°F20°F30°F30°F40°F40°F50°F50°F60°F60°F70°F70°F80°F80°FFallSpring
The daily range of reported temperatures (gray bars) and 24-hour highs (red ticks) and lows (blue ticks), placed over the daily average high (faint red line) and low (faint blue line) temperature, with 25th to 75th and 10th to 90th percentile bands.

Hourly Temperature in the Winter of 2020 at Niigata Airport

History:202320222021202020192018201720162015
Hourly Temperature in the Winter of 2020 at Niigata AirportDecJanFeb12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMFallSpringvery coldcold
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The hourly reported temperature, color coded into bands. The shaded overlays indicate night and civil twilight.
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Cloud Cover in the Winter of 2020 at Niigata Airport

History:202320222021202020192018201720162015
Cloud Cover in the Winter of 2020 at Niigata AirportDecJanFeb12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMFallSpring
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
no significant cloudno cloud detectedceiling and visibility ok
The hourly reported cloud coverage, categorized by the percentage of the sky covered by clouds.

Observed Weather in the Winter of 2020 at Niigata Airport

History:202320222021202020192018201720162015
Observed Weather in the Winter of 2020 at Niigata AirportDecJanFeb12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMFallSpring
foghazedrizzlelight rainmoderate rainheavy rainfreezing rainsleetsnow grainslight snowmoderate snowheavy snowhailthunderstorm
The hourly observed weather, color coded by category (in order of severity). If multiple reports are present, the most severe code is shown.
DayObservationsPrecipitationCodes
Tue, Dec 1 Showers of Light Rain-SHRA, IWC80
Wed, Dec 2 Showers of Light Rain-SHRA, IWC80
Thu, Dec 3 Showers of Rain, Showers of Light Rain, MistSHRA, IWC81, -SHRA, IWC80, BR, IWC10
Fri, Dec 4 Showers of Light Rain and Small Hail, Showers of Light Snow Pellets/Small Hail, Showers of Light Rain, Precipitation in the Vicinity, Showers in the Vicinity-SHRAGS, IWC87, -SHRA, IWC80, IWC16, VCSH
Sat, Dec 5 Thunderstorm with Heavy Hail, Thunderstorm with Heavy Rain and Small Hail, Heavy Rain, Showers of Rain, Showers of Light Rain, MistIWC99, +TSRAGS, IWC65, SHRA, IWC81, -SHRA, IWC80, BR, IWC10
Sun, Dec 6 Showers of Light Rain, Precipitation in the Vicinity, Showers in the Vicinity-SHRA, IWC80, IWC16, VCSH
Mon, Dec 7 Showers of Light Rain, Precipitation in the Vicinity, Showers in the Vicinity-SHRA, IWC80, IWC16, VCSH
Tue, Dec 8 Showers of Light Rain, Precipitation in the Vicinity, Showers in the Vicinity-SHRA, IWC80, IWC16, VCSH
Wed, Dec 9 Showers of Light Rain, Precipitation in the Vicinity, Showers in the Vicinity-SHRA, IWC80, IWC16, VCSH
Thu, Dec 10 Showers of Rain, Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinitySHRA, IWC81, -SHRA, IWC80, IWC16, VCSH
Fri, Dec 11 Showers of Light Rain-SHRA, IWC80
Sat, Dec 12 Showers of Rain, Showers of Light Rain, MistSHRA, IWC81, -SHRA, IWC80, BR, IWC10
Sun, Dec 13 Showers of Light Rain, Precipitation in the Vicinity, Showers in the Vicinity-SHRA, IWC80, IWC16, VCSH
Mon, Dec 14 Showers of Light Snow, Showers of Light Snow and Small Hail, Showers of Light Rain and Snow, Showers in the Vicinity-SHSN, -SHSNGS, -SHRASN, VCSH
Tue, Dec 15 Showers of Light Snow; Showers of Light Snow and Small Hail; Showers of Light Snow and Rain; Showers of Light Snow, Rain, and Small Hail; Squall-SHSN, -SHSNGS, -SHSNRA, -SHSNRAGS, SQ
Wed, Dec 16 Showers of Light Snow, Showers of Light Snow and Small Hail, Showers in the Vicinity-SHSN, -SHSNGS, VCSH
Thu, Dec 17 Showers of Light Snow, Showers of Light Snow and Small Hail, Showers in the Vicinity-SHSN, -SHSNGS, VCSH
Fri, Dec 18 Showers of Light Snow, Showers of Light Snow and Small Hail, Showers of Light Rain and Snow, Showers of Light Snow Pellets/Small Hail, Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityIWC85, -SHSNGS, -SHRASN, IWC83, IWC87, -SHRA, IWC80, IWC16, VCSH
Sat, Dec 19 Showers of Light Snow, Showers of Light Snow and Small Hail-SHSN, -SHSNGS
Sun, Dec 20 Showers of Light Snow, Showers of Light Snow and Small Hail, Showers in the Vicinity-SHSN, -SHSNGS, VCSH
Mon, Dec 21 Showers of Light Snow, Precipitation in the Vicinity, Showers in the Vicinity-SHSN, IWC85, IWC16, VCSH
Tue, Dec 22 Showers of Rain, Showers of Light Rain, Mist, Precipitation in the Vicinity, Showers in the VicinitySHRA, IWC81, -SHRA, IWC80, BR, IWC10, IWC16, VCSH
Wed, Dec 23 Showers of Rain, Showers of Light Rain, MistSHRA, IWC81, -SHRA, IWC80, BR, IWC10
Thu, Dec 24 Light Rain, Showers of Light Rain-RA, IWC61, -SHRA, IWC80
Fri, Dec 25 Showers of Light Rain and Snow, Showers of Light Rain, Mist-SHRASN, IWC83, -SHRA, IWC80, BR, IWC10
Sat, Dec 26 Showers of Light Rain and Snow, Showers of Light Rain, Precipitation in the Vicinity, Showers in the Vicinity-SHRASN, IWC83, -SHRA, IWC80, IWC16, VCSH
Sun, Dec 27 Showers of Light Rain and Snow, Showers of Light Rain-SHRASN, IWC83, -SHRA, IWC80
Mon, Dec 28 Showers of Rain, Showers of Light RainSHRA, IWC81, -SHRA, IWC80
Tue, Dec 29 Showers of Light Rain-SHRA, IWC80
Wed, Dec 30 Showers of Light Snow, Showers of Light Rain and Snow, Showers of Light Snow and Rain, Showers of Rain and Snow, Showers of Rain, Showers of Light Rain, Mist-SHSN, IWC85, -SHRASN, IWC83, -SHSNRA, SHRASN, IWC84, SHRA, IWC81, -SHRA, IWC80, BR, IWC10
Thu, Dec 31 Showers of Light Snow-SHSN, IWC85
Fri, Jan 1 Showers of Snow, Showers of Light Snow, Precipitation in the Vicinity, Showers in the VicinitySHSN, IWC86, -SHSN, IWC85, IWC16, VCSH
Sat, Jan 2 Showers of Snow, Showers of Light SnowSHSN, IWC86, -SHSN, IWC85
Sun, Jan 3 Showers of Snow, Showers of Light Snow, Showers of Light Snow and Small Hail, Showers of Light Snow Pellets/Small HailSHSN, IWC86, -SHSN, IWC85, -SHSNGS, IWC87
Mon, Jan 4 Showers of Light Snow, Showers of Light Rain and Snow, Showers of Light Rain, Precipitation in the Vicinity, Showers in the Vicinity-SHSN, IWC85, -SHRASN, IWC83, -SHRA, IWC80, IWC16, VCSH
Tue, Jan 5 Thunderstorm with Light Rain, Thunderstorm with Rain, Showers of Light Snow, Showers of Rain, Showers of Light Rain, Mist-TSRA, IWC95, -SHSN, IWC85, SHRA, IWC81, -SHRA, IWC80, BR, IWC10
Wed, Jan 6 Showers of Light Snow-SHSN, IWC85
Thu, Jan 7 Showers of Snow, Showers of Light Snow, Showers of Light Rain and Snow, Showers of Light Snow and Rain, Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinitySHSN, IWC86, -SHSN, IWC85, IWC83, -SHRASN, -SHSNRA, -SHRA, IWC80, IWC16, VCSH
Fri, Jan 8 Showers of Heavy Snow, Showers of Snow, Showers of Light Snow+SHSN, SHSN, IWC86, -SHSN, IWC85
Sat, Jan 9 Showers of Heavy Snow, Showers of Heavy Snow and Small Hail, Showers of Small Hail and Snow, Showers of Snow, Showers of Snow and Small Hail, Showers of Light Snow, Showers of Light Snow and Small Hail+SHSN, +SHSNGS, SHGSSN, SHSN, SHSNGS, -SHSN, -SHSNGS
Sun, Jan 10 Showers of Snow, Showers of Snow and Small Hail, Showers of Light Snow, Showers of Light Snow and Small Hail, Showers in the VicinitySHSN, SHSNGS, -SHSN, -SHSNGS, VCSH
Mon, Jan 11 Showers of Light Snow, Showers of Light Snow and Small Hail-SHSN, -SHSNGS
Tue, Jan 12 Showers of Light Rain and Small Hail, Showers of Rain and Small Hail, Showers of Light Rain and Snow, Showers of Rain and Snow, Showers of Rain, Showers of Light Rain-SHRAGS, SHRAGS, -SHRASN, SHRASN, SHRA, -SHRA
Wed, Jan 13 Showers of Light Rain and Snow, Showers of Light Rain, Mist, Showers in the Vicinity-SHRASN, -SHRA, BR, VCSH
Thu, Jan 14 Thunderstorm with Light Rain, Thunderstorm with Rain, Showers of Rain, Showers of Light Rain, Mist-TSRA, IWC95, SHRA, IWC81, -SHRA, IWC80, BR, IWC10
Sat, Jan 16 Showers of Light Snow, Showers of Rain, Showers of Light Rain, Mist-SHSN, SHRA, -SHRA, BR
Sun, Jan 17 Showers of Snow, Showers of Snow and Small Hail, Showers of Light Snow, Showers in the VicinitySHSN, SHSNGS, -SHSN, VCSH
Mon, Jan 18 Thunderstorm with Light Snow and Rain; Thunderstorm with Light Snow, Rain, and Small Hail; Showers of Snow; Showers of Snow and Small Hail; Showers of Light Snow; Showers of Light Snow and Small Hail; Showers of Light Rain and Snow; Showers of Light Snow and Rain; Showers of Rain and Snow; Showers of Snow and Rain; Showers of Light Rain-TSSNRA, -TSSNRAGS, SHSN, SHSNGS, -SHSN, -SHSNGS, -SHRASN, -SHSNRA, SHRASN, SHSNRA, -SHRA
Tue, Jan 19 Showers of Snow, Showers of Light Snow, Showers of Light Snow and Small HailSHSN, -SHSN, -SHSNGS
Wed, Jan 20 Showers of Light Snow, Precipitation in the Vicinity, Showers in the Vicinity-SHSN, IWC85, IWC16, VCSH
Fri, Jan 22 Showers of Rain, Showers of Light Rain, MistIWC81, SHRA, IWC80, -SHRA, IWC10, BR
Wed, Jan 27 Showers of Light Rain, MistIWC80, -SHRA, IWC10, BR
Thu, Jan 28 Showers of Light Snow, Showers of Light Snow and Small Hail, Showers of Light Rain and Snow, Showers of Light Snow and Rain-SHSN, IWC85, -SHSNGS, IWC83, -SHSNRA
Fri, Jan 29 Showers of Light Snow, Showers of Light Rain and Snow, Showers in the Vicinity-SHSN, -SHRASN, VCSH
Sat, Jan 30 Showers of Snow, Showers of Light Snow, Showers of Light Snow and RainSHSN, -SHSN, -SHSNRA
Sun, Jan 31 Showers of Light Snow, Precipitation in the Vicinity, Showers in the Vicinity-SHSN, IWC85, IWC16, VCSH
Mon, Feb 1 Light Rain-RA, IWC61
Tue, Feb 2 Showers of Light Snow, Showers of Light Rain and Snow, Showers of Light Snow and Rain, Showers of Light Rain-SHSN, IWC85, IWC83, -SHSNRA, -SHRA, IWC80
Wed, Feb 3 Showers of Heavy Snow, Showers of Snow, Showers of Light Snow, Showers of Light Snow and Small Hail+SHSN, SHSN, -SHSN, -SHSNGS
Thu, Feb 4 Showers of Snow, Showers of Light Snow, Showers of Light Small Hail, Showers of Rain and Small Hail, Showers of Light Rain and Snow, Showers of Light Snow and Rain, Showers of Rain and Snow, Showers of Light Rain, Mist, SquallSHSN, -SHSN, -SHGS, SHRAGS, -SHRASN, -SHSNRA, SHRASN, -SHRA, BR, SQ
Fri, Feb 5 Showers of Light Snow, Showers of Light Rain and Snow, Showers of Light Rain, Showers in the Vicinity-SHSN, -SHRASN, -SHRA, VCSH
Sat, Feb 6 Thunderstorm, Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityTS, IWC17, -SHRA, IWC80, IWC16, VCSH
Sun, Feb 7 Thunderstorm, Thunderstorm with Light Rain, Thunderstorm with Rain, Showers of Light Rain and Snow, Showers of Light Rain, Precipitation in the Vicinity, Showers in the VicinityTS, IWC17, -TSRA, IWC95, -SHRASN, IWC83, -SHRA, IWC80, IWC16, VCSH
Mon, Feb 8 Showers of Snow, Showers of Snow and Small Hail, Showers of Light Snow, Showers of Light Snow and Small HailSHSN, SHSNGS, -SHSN, -SHSNGS
Tue, Feb 9 Showers of Snow, Showers of Snow and Small Hail, Showers of Light Snow, Showers of Light Snow and Small HailSHSN, SHSNGS, -SHSN, -SHSNGS
Wed, Feb 10 Showers of Light Rain and Small Hail, Showers of Rain and Small Hail, Showers of Light Rain and Snow, Showers of Rain, Showers of Light Rain, Showers in the Vicinity-SHRAGS, SHRAGS, -SHRASN, SHRA, -SHRA, VCSH
Thu, Feb 11 Showers of Light Rain and Snow, Showers of Light Rain, Showers in the Vicinity-SHRASN, -SHRA, VCSH
Mon, Feb 15 Rain, Light Rain, Showers of Light Rain, Fog, MistRA, -RA, -SHRA, FG, BR
Tue, Feb 16 Showers of Snow, Showers of Light Snow, Showers of Light Snow and Small Hail, Showers of Light Rain and Snow, Showers of Light Snow and Rain, Showers in the Vicinity, SquallSHSN, -SHSN, -SHSNGS, -SHRASN, -SHSNRA, VCSH, SQ
Wed, Feb 17 Showers of Snow, Showers of Snow and Small Hail, Showers of Light Snow, Showers of Light Snow and Small HailSHSN, SHSNGS, -SHSN, -SHSNGS
Thu, Feb 18 Showers of Snow, Showers of Light Snow, Showers of Light Snow and Small Hail, Showers in the VicinitySHSN, -SHSN, -SHSNGS, VCSH
Fri, Feb 19 Showers of Light Snow; Showers of Light Rain and Small Hail; Showers of Light Rain and Snow; Showers of Light Snow and Rain; Showers of Light Snow, Rain, and Small Hail; Showers of Light Rain; Showers in the Vicinity-SHSN, -SHRAGS, -SHRASN, -SHSNRA, -SHSNRAGS, -SHRA, VCSH
Sat, Feb 20 Showers of Light Rain-SHRA
Mon, Feb 22 Thunderstorm, Blowing Sand, Dust/SandIWC17, BLSA, IWC07
Tue, Feb 23 Showers of Light Snow, Showers of Light Rain and Snow, Showers of Light Rain, Showers in the Vicinity-SHSN, -SHRASN, -SHRA, VCSH
Wed, Feb 24 Showers of Snow, Showers of Light Snow, Showers in the VicinitySHSN, -SHSN, VCSH
Thu, Feb 25 Precipitation in the Vicinity, Showers in the VicinityIWC16, VCSH
Sat, Feb 27 Showers of Light Snow, Precipitation in the Vicinity, Showers in the Vicinity-SHSN, IWC85, IWC16, VCSH

Hours of Daylight and Twilight in the Winter of 2020 at Niigata Airport

History:202320222021202020192018201720162015
Hours of Daylight and Twilight in the Winter of 2020 at Niigata AirportDecJanFeb0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrFallSpringDec 219 hr, 32 minDec 219 hr, 32 minnightnightdaydayFeb 2811 hr, 19 minFeb 2811 hr, 19 min
The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.

Sunrise & Sunset with Twilight in the Winter of 2020 at Niigata Airport

History:202320222021202020192018201720162015
Sunrise & Sunset with Twilight in the Winter of 2020 at Niigata AirportDecJanFeb12 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PMFallSpring6:17 AM6:17 AMFeb 285:35 PMFeb 285:35 PM6:45 AM6:45 AMDec 74:23 PMDec 74:23 PM6:59 AM6:59 AMJan 64:38 PMJan 64:38 PM
The solar day over the course of the Winter of 2020. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray.

Solar Elevation and Azimuth in the Winter of 2020 at Niigata Airport

History:202320222021202020192018201720162015
Solar Elevation and Azimuth in the Winter of 2020 at Niigata AirportDecJanFeb12 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMFallSpring001020203030500010102030
northeastsouthwest
Solar elevation and azimuth in the the winter of 2020. The black lines are lines of constant solar elevation (the angle of the sun above the horizon, in degrees). The background color fills indicate the azimuth (the compass bearing) of the sun. The lightly tinted areas at the boundaries of the cardinal compass points indicate the implied intermediate directions (northeast, southeast, southwest, and northwest).

Moon Rise, Set & Phases in the Winter of 2020 at Niigata Airport

History:202320222021202020192018201720162015
Moon Rise, Set & Phases in the Winter of 2020 at Niigata AirportDecJanFeb12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMFallSpringNov 152:08 PMNov 152:08 PMNov 306:30 PMNov 306:30 PMDec 151:17 AMDec 151:17 AMDec 3012:29 PMDec 3012:29 PMJan 132:01 PMJan 132:01 PMJan 294:17 AMJan 294:17 AMFeb 124:06 AMFeb 124:06 AMFeb 275:18 PMFeb 275:18 PMMar 137:22 PMMar 137:22 PMMar 293:49 AMMar 293:49 AM5:58 AM5:58 AM4:42 PM4:42 PM4:21 PM4:21 PM7:11 AM7:11 AM7:14 AM7:14 AM4:53 PM4:53 PM4:30 PM4:30 PM7:52 AM7:52 AM4:38 PM4:38 PM4:17 PM4:17 PM7:18 AM7:18 AM7:07 AM7:07 AM5:40 PM5:40 PM5:23 PM5:23 PM7:02 AM7:02 AM5:22 PM5:22 PM6:01 AM6:01 AM
The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The shaded overlays indicate night and civil twilight.

Humidity Comfort Levels in the Winter of 2020 at Niigata Airport

History:202320222021202020192018201720162015
Humidity Comfort Levels in the Winter of 2020 at Niigata AirportDecJanFeb12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMFallSpring
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The hourly reported humidity comfort level, categorized by dew point. The shaded overlays indicate night and civil twilight.

Wind Speed in the Winter of 2020 at Niigata Airport

History:202320222021202020192018201720162015
Wind Speed in the Winter of 2020 at Niigata AirportDecJanFeb0 mph0 mph10 mph10 mph20 mph20 mph30 mph30 mph40 mph40 mph50 mph50 mph60 mph60 mph70 mph70 mph80 mph80 mphFallSpring
The daily range of reported wind speeds (gray bars), with maximum gust speeds (red ticks).

Hourly Wind Speed in the Winter of 2020 at Niigata Airport

History:202320222021202020192018201720162015
Hourly Wind Speed in the Winter of 2020 at Niigata AirportDecJanFeb12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMFallSpring
0 mph calm 1 mph light air 4 mph light breeze 8 mph gentle breeze 13 mph moderate breeze 18 mph fresh breeze 25 mph strong breeze 31 mph near gale 39 mph gale 47 mph strong gale 55 mph storm 64 mph violent storm 73 mph hurricane force
The hourly reported wind speed, color coded into bands according to the Beaufort scale. The shaded overlays indicate night and civil twilight.

Hourly Wind Direction in 2020 at Niigata Airport

History:202320222021202020192018201720162015
Hourly Wind Direction in 2020 at Niigata AirportDecJanFeb12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMFallSpring
calmnortheastsouthwest
The hourly reported wind direction, color coded by compass point. The shaded overlays indicate night and civil twilight.

Atmospheric Pressure in the Winter of 2020 at Niigata Airport

History:202320222021202020192018201720162015
Atmospheric Pressure in the Winter of 2020 at Niigata AirportDecJanFeb29.0 inHg29.0 inHg29.2 inHg29.2 inHg29.4 inHg29.4 inHg29.6 inHg29.6 inHg29.8 inHg29.8 inHg30.0 inHg30.0 inHg30.2 inHg30.2 inHg30.4 inHg30.4 inHg30.6 inHg30.6 inHgFallSpring
The daily range of atmospheric pressure (gray bars), as measured by the altimeter setting reported in e.g. a METAR report.

Reports by Month

Reports by Month at Niigata Airport1940195019601970198019902000201020201951195119521952195319531954195419551955195619561957195719731973197419741975197519761976197719771978197819791979198019801981198119821982198319831984198419851985198619861987198719881988198919891990199019911991199219921993199319941994199519951996199619971997199819981999199920002000200120012002200220032003200420042005200520062006200720072008200820092009201020102011201120122012201320132014201420152015201620162017201720182018201920192020202020212021202220222023202320242024
METARISDboth
The number of reports per month over the entire history of this station.

Number of Reports by Day in the Winter of 2020 at Niigata Airport 2020

Number of Reports by Day in the Winter of 2020 at Niigata AirportDecJanFeb005050100100150150200200FallSpring
regularspecialcorrection
The number of reports per day.

Reports by Hour in the Winter of 2020 at Niigata Airport 2020

Reports by Hour in the Winter of 2020 at Niigata AirportDecJanFeb12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMFallSpring
regularspecialcorrection
Indication of what types of reports were recorded during each hour.

This report graphically illustrates the historical weather reports recorded by the weather station at Niigata Airport in the winter of 2020.

METAR Reports

Airport weather stations throughout the world routinely issue METAR weather reports . Such reports are used by pilots, air traffic controllers, meteorologists, climatologists, and other researchers. They are published via radio transmission and on the internet. We have been collecting and archiving published METAR reports since 2011, and have found third-party sources for archived reports from years prior to that.

ISD Reports

The Integrated Surface Database (ISD), maintained and published by NOAA's National Center for Environmental Information , consists of hourly and synoptic weather reports from a variety of sources. We use ISD data to complement and backfill for our METAR archive.

Other Data

The sources for the averages shown in the daily temperature chart are discussed in greater detail on this station's Averages Report.

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus.

Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .

Time zones for airports and weather stations are provided by AskGeo.com .

Maps are © OpenStreetMap contributors.

Disclaimer

The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.

We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands.

We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.

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