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Summer 1991 Weather History at Bowerman Airport Washington, United States

This report shows the past weather for Bowerman Airport, providing a weather history for the summer of 1991. It features all historical weather data series we have available, including the Bowerman Airport temperature history for the summer of 1991. You can drill down from year to month and even day level reports by clicking on the graphs.

Bowerman Airport Temperature History in the Summer of 1991

History:199519941993199219911990198919881987
Temperature history in the Summer of 1991 at Bowerman AirportJunJulAug35°F35°F40°F40°F45°F45°F50°F50°F55°F55°F60°F60°F65°F65°F70°F70°F75°F75°F80°F80°F85°F85°F90°F90°FSpringFall
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 Summer of 1991 at Bowerman Airport

History:199519941993199219911990198919881987
Hourly Temperature in the Summer of 1991 at Bowerman AirportJunJulAug12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMSpringFallcoldcool
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 Summer of 1991 at Bowerman Airport

History:199519941993199219911990198919881987
Cloud Cover in the Summer of 1991 at Bowerman AirportJunJulAug12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMSpringFall
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.
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Observed Weather in the Summer of 1991 at Bowerman Airport

History:199519941993199219911990198919881987
Observed Weather in the Summer of 1991 at Bowerman AirportJunJulAug12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMSpringFall
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
Wed, Jun 5 Sky-Obscuring FogIWC45
Thu, Jun 6 Showers of Light Rain, Light Drizzle, Sky-Obscuring FogIWC80, IWC51, IWC45
Fri, Jun 7 Light Rain, Light Drizzle, Sky-Obscuring FogIWC61, IWC51, IWC45
Sat, Jun 8 Light Drizzle, Sky-Obscuring FogIWC51, IWC45
Mon, Jun 10 Light Rain, Light Drizzle, Sky-Obscuring FogIWC61, IWC51, IWC45
Tue, Jun 11 Showers of Light Rain, Sky-Obscuring FogIWC80, IWC45
Wed, Jun 12 Showers of Light RainIWC80
Thu, Jun 13 Showers of Light RainIWC80
Fri, Jun 14 Showers of Light RainIWC80
Sat, Jun 15 Showers of Light RainIWC80
Sun, Jun 16 Showers of Light RainIWC80
Wed, Jun 19 Sky-Obscuring FogIWC45
Thu, Jun 20 Light Rain, Light Drizzle, Sky-Obscuring FogIWC61, IWC51, IWC45
Fri, Jun 21 Light DrizzleIWC51
Sat, Jun 22 Showers of Light Rain, Light DrizzleIWC80, IWC51
Wed, Jun 26 Light DrizzleIWC51
Sun, Jun 30 Light Rain, Light Drizzle, Sky-Obscuring FogIWC61, IWC51, IWC45
Wed, Jul 3 Sky-Obscuring FogIWC45
Sat, Jul 6 Sky-Obscuring FogIWC45
Sun, Jul 7 Sky-Obscuring FogIWC45
Mon, Jul 8 Sky-Obscuring FogIWC45
Tue, Jul 9 Light Drizzle, Sky-Obscuring FogIWC51, IWC45
Thu, Jul 11 Smoke, Sky-Obscuring FogIWC04, IWC45
Fri, Jul 12 Light Drizzle, Sky-Obscuring FogIWC51, IWC45
Sat, Jul 13 Light Rain, Light Drizzle, Sky-Obscuring FogIWC61, IWC51, IWC45
Sun, Jul 14 Light Rain, Sky-Obscuring FogIWC61, IWC45
Mon, Jul 15 Light Rain, Light Drizzle, Sky-Obscuring FogIWC61, IWC51, IWC45
Tue, Jul 16 Rain, Light Rain, Light Drizzle, Sky-Obscuring FogIWC63, IWC61, IWC51, IWC45
Wed, Jul 17 Light RainIWC61
Sun, Jul 21 Light Drizzle, Sky-Obscuring FogIWC51, IWC45
Mon, Jul 22 Sky-Obscuring FogIWC45
Wed, Jul 24 Thunderstorm, Thunderstorm with Rain, Light Rain, Showers of Light Rain, Light Drizzle, Sky-Obscuring FogIWC17, IWC95, IWC61, IWC80, IWC51, IWC45
Thu, Jul 25 Light Drizzle, Sky-Obscuring FogIWC51, IWC45
Fri, Jul 26 Light Drizzle, Sky-Obscuring FogIWC51, IWC45
Wed, Jul 31 Sky-Obscuring FogIWC45
Thu, Aug 1 Light Drizzle, Sky-Obscuring FogIWC51, IWC45
Fri, Aug 2 Sky-Obscuring FogIWC45
Sun, Aug 4 Light Drizzle, Sky-Obscuring FogIWC51, IWC45
Wed, Aug 7 Light Rain, Showers of Light Rain, Sky-Obscuring FogIWC61, IWC80, IWC45
Thu, Aug 8 Light Rain, Light Drizzle, Sky-Obscuring FogIWC61, IWC51, IWC45
Fri, Aug 9 Light Rain, Light Drizzle, Sky-Obscuring FogIWC61, IWC51, IWC45
Mon, Aug 12 Smoke, Sky-Obscuring FogIWC04, IWC45
Tue, Aug 13 Sky-Obscuring FogIWC45
Wed, Aug 14 Light Drizzle, Haze, Smoke, Sky-Obscuring FogIWC51, IWC05, IWC04, IWC45
Thu, Aug 15 Light Drizzle, Sky-Obscuring FogIWC51, IWC45
Fri, Aug 16 Light Rain, Light Drizzle, Sky-Obscuring FogIWC61, IWC51, IWC45
Sat, Aug 17 Light Drizzle, Sky-Obscuring FogIWC51, IWC45
Sun, Aug 18 Sky-Obscuring FogIWC45
Mon, Aug 19 Light Drizzle, Sky-Obscuring FogIWC51, IWC45
Tue, Aug 20 Light Drizzle, Sky-Obscuring FogIWC51, IWC45
Wed, Aug 21 Sky-Obscuring FogIWC45
Mon, Aug 26 Light Rain, Sky-Obscuring FogIWC61, IWC45
Tue, Aug 27 Rain, Light Rain, Sky-Obscuring FogIWC63, IWC61, IWC45
Wed, Aug 28 Rain, Light Rain, Showers of Light Rain, Sky-Obscuring FogIWC63, IWC61, IWC80, IWC45
Thu, Aug 29 Rain, Light Rain, Sky-Obscuring FogIWC63, IWC61, IWC45
Fri, Aug 30 Light Rain, Sky-Obscuring FogIWC61, IWC45

Hours of Daylight and Twilight in the Summer of 1991 at Bowerman Airport

History:199519941993199219911990198919881987
Hours of Daylight and Twilight in the Summer of 1991 at Bowerman AirportJunJulAug0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrSpringFallJun 2115 hr, 54 minJun 2115 hr, 54 minnightnightdaydayAug 3113 hr, 24 minAug 3113 hr, 24 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 Summer of 1991 at Bowerman Airport

History:199519941993199219911990198919881987
Sunrise & Sunset with Twilight in the Summer of 1991 at Bowerman AirportJunJulAug2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMSpringFall5:20 AM5:20 AMJun 169:12 PMJun 169:12 PM6:33 AM6:33 AMAug 317:57 PMAug 317:57 PM
The solar day over the course of the Summer of 1991. 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 Summer of 1991 at Bowerman Airport

History:199519941993199219911990198919881987
Solar Elevation and Azimuth in the Summer of 1991 at Bowerman AirportJunJulAug12 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 AMSpringFall00102020303040506000101020303040405060
northeastsouthwest
Solar elevation and azimuth in the the summer of 1991. 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 Summer of 1991 at Bowerman Airport

History:199519941993199219911990198919881987
Moon Rise, Set & Phases in the Summer of 1991 at Bowerman AirportJunJulAug12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMSpringFallMay 139:36 PMMay 139:36 PMMay 284:37 AMMay 284:37 AMJun 125:06 AMJun 125:06 AMJun 267:59 PMJun 267:59 PMJul 1112:06 PMJul 1112:06 PMJul 2611:25 AMJul 2611:25 AMAug 97:28 PMAug 97:28 PMAug 252:08 AMAug 252:08 AMSep 84:01 AMSep 84:01 AMSep 233:41 PMSep 233:41 PM8:51 PM8:51 PM8:50 PM8:50 PM5:12 AM5:12 AM9:59 PM9:59 PM5:44 AM5:44 AM9:19 PM9:19 PM8:26 PM8:26 PM5:43 AM5:43 AM7:40 PM7:40 PM6:52 AM6:52 AM6:43 PM6:43 PM8:06 AM8:06 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 Summer of 1991 at Bowerman Airport

History:199519941993199219911990198919881987
Humidity Comfort Levels in the Summer of 1991 at Bowerman AirportJunJulAug12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMSpringFall
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 Summer of 1991 at Bowerman Airport

History:199519941993199219911990198919881987
Wind Speed in the Summer of 1991 at Bowerman AirportJunJulAug0 mph0 mph10 mph10 mph20 mph20 mph30 mph30 mph40 mph40 mph50 mph50 mph60 mph60 mphSpringFall
The daily range of reported wind speeds (gray bars), with maximum gust speeds (red ticks).

Hourly Wind Speed in the Summer of 1991 at Bowerman Airport

History:199519941993199219911990198919881987
Hourly Wind Speed in the Summer of 1991 at Bowerman AirportJunJulAug12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMSpringFall
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 1991 at Bowerman Airport

History:199519941993199219911990198919881987
Hourly Wind Direction in 1991 at Bowerman AirportJunJulAug12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMSpringFall
calmnortheastsouthwest
The hourly reported wind direction, color coded by compass point. The shaded overlays indicate night and civil twilight.

Atmospheric Pressure in the Summer of 1991 at Bowerman Airport

History:199519941993199219911990198919881987
Atmospheric Pressure in the Summer of 1991 at Bowerman AirportJunJulAug29.6 inHg29.6 inHg29.8 inHg29.8 inHg30.0 inHg30.0 inHg30.2 inHg30.2 inHg30.4 inHg30.4 inHgSpringFall
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 Bowerman Airport1940195019601970198019902000201020201949194919501950195119511952195219531953195419541955195519561956195719571958195819591959197319731974197419751975197619761977197719781978197919791980198019811981198219821983198319841984198519851986198619871987198819881989198919901990199119911992199219931993199419941995199519961996199719971998199819991999200020002001200120022002200320032004200420052005200620062007200720082008200920092010201020112011201220122013201320142014201520152016201620172017201820182019201920202020202120212022202220232023202420242025202520262026
METARISDboth
The number of reports per month over the entire history of this station.

Number of Reports by Day in the Summer of 1991 at Bowerman Airport 1991

Number of Reports by Day in the Summer of 1991 at Bowerman AirportJunJulAug002424SpringFall
regularspecialcorrection
The number of reports per day.

Reports by Hour in the Summer of 1991 at Bowerman Airport 1991

Reports by Hour in the Summer of 1991 at Bowerman AirportJunJulAug12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMSpringFall
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 Bowerman Airport in the summer of 1991.

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.

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