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December 1979 Weather History at Cranbrook/Canadian Rockies International Airport Canada

This report shows the past weather for Cranbrook/Canadian Rockies International Airport, providing a weather history for December 1979. It features all historical weather data series we have available, including the Cranbrook/Canadian Rockies International Airport temperature history for December 1979. You can drill down from year to month and even day level reports by clicking on the graphs.

Cranbrook/Canadian Rockies International Airport Temperature History December 1979

History:19811980JFMAMJJASONDec19781977
Temperature history in December 1979 at Cranbrook/Canadian Rockies International Airport181522291122334455667788991010111112121313141415151616171718181919202021212222232324242525262627272828292930303131-10°F-10°F0°F0°F10°F10°F20°F20°F30°F30°F40°F40°F50°F50°FNovJan
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 December 1979 at Cranbrook/Canadian Rockies International Airport

History:19811980JFMAMJJASONDec19781977
Hourly Temperature in December 1979 at Cranbrook/Canadian Rockies International Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMNovJanfrigidfreezingvery cold
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 December 1979 at Cranbrook/Canadian Rockies International Airport

History:19811980JFMAMJJASONDec19781977
Cloud Cover in December 1979 at Cranbrook/Canadian Rockies International Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMNovJan
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.

Snow Depth in December 1979 at Cranbrook/Canadian Rockies International Airport

History:19811980JFMAMJJASONDec19781977
Snow Depth in December 1979 at Cranbrook/Canadian Rockies International Airport1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310.0 in0.0 in0.5 in0.5 in1.0 in1.0 in1.5 in1.5 in2.0 in2.0 in2.5 in2.5 in3.0 in3.0 inNovJan
The daily measured snow depth, where available.

Observed Weather in December 1979 at Cranbrook/Canadian Rockies International Airport

History:19811980JFMAMJJASONDec19781977
Observed Weather in December 1979 at Cranbrook/Canadian Rockies International Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMNovJan
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
Sat, Dec 1 Light Intermittent Snow, Light Snow, Snow Grains, Drizzle/Snow Grains, Smoke, Fog, Fog and Smoke, Sky-Obscuring FogIWC70, -SN, IWC71, SG, IWC77, IWC20, IWC04, FG, FGFU, IWC45
Sun, Dec 2 Light Snow, Snow Grains, Fog, Smoke-SN, SG, FG, FU
Mon, Dec 3 Light Snow, Light Freezing Rain, Fog, Fog and Smoke-SN, -FZRA, FG, FGFU
Tue, Dec 4 Light Rain, Showers of Light Rain-RA, -SHRA
Sun, Dec 9 Light Rain-RA
Mon, Dec 10 Light Snow, Light Rain and Snow, Light Rain-SN, -RASN, -RA
Tue, Dec 11 Light Snow-SN
Wed, Dec 12 Light Snow, Showers of Light Snow-SN, -SHSN
Thu, Dec 13 Light Snow, Light Rain-SN, -RA
Fri, Dec 14 Light Intermittent Rain, Light Rain, Precipitation in the VicinityIWC60, -RA, IWC61, IWC15
Sat, Dec 15 Light Intermittent Rain, Light RainIWC60, -RA
Sun, Dec 16 Light Snow-SN
Mon, Dec 17 Light Snow, Light Snow and Ice Pellets, Light Freezing Rain, Light Rain-SN, -SNPL, -FZRA, -RA
Tue, Dec 18 Light Rain-RA
Wed, Dec 19 Light Rain, Showers of Light Rain-RA, -SHRA
Thu, Dec 20 Light Rain-RA
Sat, Dec 22 Light Intermittent Snow, Light SnowIWC70, -SN
Sun, Dec 23 Showers of Light Snow-SHSN, IWC85
Mon, Dec 24 Light Snow, Showers of Light Snow-SN, -SHSN
Tue, Dec 25 FogFG
Wed, Dec 26 Light Snow-SN
Fri, Dec 28 Snow Grains, SmokeSG, IWC77, IWC04, FU
Sun, Dec 30 Light Snow-SN
Mon, Dec 31 Light Snow, Fog-SN, FG

Hours of Daylight and Twilight in December 1979 at Cranbrook/Canadian Rockies International Airport

History:19811980JFMAMJJASONDec19781977
Hours of Daylight and Twilight in December 1979 at Cranbrook/Canadian Rockies International Airport1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrNovJanDec 228 hr, 8 minDec 228 hr, 8 minnightnightdaydayDec 18 hr, 28 minDec 18 hr, 28 minDec 318 hr, 12 minDec 318 hr, 12 minDec 118 hr, 14 minDec 118 hr, 14 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 December 1979 at Cranbrook/Canadian Rockies International Airport

History:19811980JFMAMJJASONDec19781977
Sunrise & Sunset with Twilight in December 1979 at Cranbrook/Canadian Rockies International Airport1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031312 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMNovJan8:17 AM8:17 AMDec 14:46 PMDec 14:46 PM8:40 AM8:40 AMDec 314:52 PMDec 314:52 PM8:30 AM8:30 AMDec 124:42 PMDec 124:42 PM8:37 AM8:37 AMDec 214:45 PMDec 214:45 PM
The solar day over the course of December 1979. 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 December 1979 at Cranbrook/Canadian Rockies International Airport

History:19811980JFMAMJJASONDec19781977
Solar Elevation and Azimuth in December 1979 at Cranbrook/Canadian Rockies International AirportDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMNovJan001010001010
northeastsouthwest
Solar elevation and azimuth over the course of December 1979. 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 December 1979 at Cranbrook/Canadian Rockies International Airport

History:19811980JFMAMJJASONDec19781977
Moon Rise, Set & Phases in December 1979 at Cranbrook/Canadian Rockies International Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMNovJanDec 311:08 AMDec 311:08 AMDec 191:24 AMDec 191:24 AMJan 22:03 AMJan 22:03 AM4:40 PM4:40 PM7:52 AM7:52 AM8:32 AM8:32 AM5:41 PM5:41 PM4:49 PM4:49 PM8:34 AM8:34 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.
Dec 1979IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
97%-5:29 AMWNW4:04 PMENE11:19 PMS232,093 mi
2
99%-6:42 AMWNW4:40 PMENE--
3
100%-7:52 AMWNW5:21 PMENE12:13 AMS234,119 mi
4
100%-8:56 AMWNW6:08 PMENE1:07 AMS236,638 mi
5
97%-9:53 AMWNW7:01 PMENE2:00 AMS239,489 mi
6
92%-10:42 AMWNW7:58 PMENE2:52 AMS242,457 mi
7
86%-11:23 AMWNW8:57 PMENE3:42 AMS245,300 mi
8
78%-11:58 AMWNW9:58 PMENE4:30 AMS247,778 mi
9
69%-12:28 PMWNW11:00 PMENE5:16 AMS249,682 mi
10
60%-12:54 PMWNW-6:00 AMS250,852 mi
11
50%12:01 AME1:19 PMW-6:42 AMS251,187 mi
12
41%1:03 AME1:42 PMW-7:24 AMS250,656 mi
13
31%2:05 AME2:05 PMW-8:07 AMS249,300 mi
14
22%3:08 AME2:30 PMW-8:50 AMS247,224 mi
15
14%4:12 AMESE2:57 PMWSW-9:35 AMS244,599 mi
16
8%5:18 AMESE3:28 PMWSW-10:23 AMS241,641 mi
17
3%6:24 AMESE4:04 PMWSW-11:15 AMS238,596 mi
18
0%7:30 AMESE4:48 PMWSW-12:09 PMS235,714 mi
19
0%8:32 AMESE5:41 PMWSW-1:06 PMS233,218 mi
20
3%9:28 AMESE6:41 PMWSW-2:05 PMS231,272 mi
21
8%10:18 AMESE7:50 PMWSW-3:04 PMS229,962 mi
22
16%11:00 AMESE9:02 PMWSW-4:01 PMS229,289 mi
23
26%11:37 AMESE10:17 PMWSW-4:56 PMS229,190 mi
24
37%12:09 PMESE11:33 PMW-5:50 PMS229,564 mi
25
50%12:38 PME--6:41 PMS230,309 mi
26
60%-12:48 AMW1:07 PME7:32 PMS231,339 mi
27
71%-2:02 AMW1:35 PME8:22 PMS232,604 mi
28
81%-3:15 AMWNW2:05 PMENE9:13 PMS234,086 mi
29
89%-4:27 AMWNW2:39 PMENE10:05 PMS235,786 mi
30
95%-5:37 AMWNW3:16 PMENE10:57 PMS237,707 mi
31
99%-6:42 AMWNW4:00 PMENE11:50 PMS239,834 mi

Humidity Comfort Levels in December 1979 at Cranbrook/Canadian Rockies International Airport

History:19811980JFMAMJJASONDec19781977
Humidity Comfort Levels in December 1979 at Cranbrook/Canadian Rockies International Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMNovJan
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 December 1979 at Cranbrook/Canadian Rockies International Airport

History:19811980JFMAMJJASONDec19781977
Wind Speed in December 1979 at Cranbrook/Canadian Rockies International Airport1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 mph0 mph10 mph10 mph20 mph20 mph30 mph30 mph40 mph40 mph50 mph50 mphNovJan
The daily range of reported wind speeds (gray bars), with maximum gust speeds (red ticks).

Hourly Wind Speed in December 1979 at Cranbrook/Canadian Rockies International Airport

History:19811980JFMAMJJASONDec19781977
Hourly Wind Speed in December 1979 at Cranbrook/Canadian Rockies International Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMNovJan
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 1979 at Cranbrook/Canadian Rockies International Airport

History:19811980JFMAMJJASONDec19781977
Hourly Wind Direction in 1979 at Cranbrook/Canadian Rockies International Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMNovJan
calmnortheastsouthwest
The hourly reported wind direction, color coded by compass point. The shaded overlays indicate night and civil twilight.

Atmospheric Pressure in December 1979 at Cranbrook/Canadian Rockies International Airport

History:19811980JFMAMJJASONDec19781977
Atmospheric Pressure in December 1979 at Cranbrook/Canadian Rockies International Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313129.5 inHg29.5 inHg30.0 inHg30.0 inHg30.5 inHg30.5 inHg31.0 inHg31.0 inHgNovJan
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 Cranbrook/Canadian Rockies International Airport1940195019601970198019902000201020201972197219731973197419741975197519761976197719771978197819791979198019801981198119821982198319831984198419851985198619861987198719881988198919891990199019911991199219921993199319941994199519951996199619971997199819981999199920002000200120012002200220032003200420042005200520062006200720072008200820092009201020102011201120122012201320132014201420152015201620162017201720182018201920192020202020212021202220222023202320242024
METARISDboth
The number of reports per month over the entire history of this station.

Number of Reports by Day in December 1979 at Cranbrook/Canadian Rockies International Airport Winter 1979

Number of Reports by Day in December 1979 at Cranbrook/Canadian Rockies International Airport1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310024244848NovJan
regularspecialcorrection
The number of reports per day.

Reports by Hour in December 1979 at Cranbrook/Canadian Rockies International Airport Winter 1979

Reports by Hour in December 1979 at Cranbrook/Canadian Rockies International Airport18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMNovJan
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 Cranbrook/Canadian Rockies International Airport in December 1979.

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

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