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Spring 2021 Weather History in Casper Wyoming, United States

The data for this report comes from the Casper–Natrona County International Airport. See all nearby weather stations

This report shows the past weather for Casper, providing a weather history for the spring of 2021. It features all historical weather data series we have available, including the Casper temperature history for the spring of 2021. You can drill down from year to month and even day level reports by clicking on the graphs.

Casper Temperature History in the Spring of 2021

History:202320222021202020192018201720162015
Temperature history in the Spring of 2021 in CasperMarAprMay-40°F-40°F-20°F-20°F0°F0°F20°F20°F40°F40°F60°F60°F80°F80°F100°F100°FWinterSummer
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 Spring of 2021 in Casper

History:202320222021202020192018201720162015
Hourly Temperature in the Spring of 2021 in CasperMarAprMay12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMWinterSummerfrigidhotwarmvery coldfreezing
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 Spring of 2021 in Casper

History:202320222021202020192018201720162015
Cloud Cover in the Spring of 2021 in CasperMarAprMay12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMWinterSummer
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.

Daily Precipitation in the Spring of 2021 in Casper

History:202320222021202020192018201720162015
Daily Precipitation in the Spring of 2021 in CasperMarAprMay0.0 in0.0 in0.5 in0.5 in1.0 in1.0 in1.5 in1.5 in2.0 in2.0 inWinterSummer
The daily measured quantity of liquid or liquid-equivalent precipitation.

Snow Depth in the Spring of 2021 in Casper

History:202320222021202020192018201720162015
Snow Depth in the Spring of 2021 in CasperMarAprMay0 in0 in2 in2 in4 in4 in6 in6 in8 in8 in10 in10 in12 in12 inWinterSummer
The daily measured snow depth, where available.

Observed Weather in the Spring of 2021 in Casper

History:202320222021202020192018201720162015
Observed Weather in the Spring of 2021 in CasperMarAprMay12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMWinterSummer
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
Mon, Mar 1 Light Snow0.00 in-SN
Tue, Mar 2 Light Rain0.00 in-RA
Sat, Mar 6 Light Rain0.00 in-RA
Sun, Mar 7 Light Rain0.00 in-RA
Tue, Mar 9 Snow, Light Snow, Freezing Fog, Mist0.22 inSN, -SN, FZFG, BR
Wed, Mar 10 Heavy Snow, Snow, Light Snow, Haze, Freezing Fog, Mist0.23 in+SN, SN, -SN, HZ, FZFG, BR
Thu, Mar 11 Freezing Fog, MistFZFG, BR
Fri, Mar 12 Haze, MistHZ, BR
Sat, Mar 13 Snow, Light Snow, Fog, Freezing Fog, Mist0.40 inSN, -SN, FG, FZFG, BR
Sun, Mar 14 Heavy Snow, Snow, Light Snow, Fog, Freezing Fog, Mist0.85 in+SN, SN, -SN, FG, FZFG, BR
Mon, Mar 15 Snow, Light Snow, Freezing Fog, Mist0.28 inSN, -SN, FZFG, BR
Tue, Mar 16 Light Snow, Haze, Mist0.33 in-SN, HZ, BR
Wed, Mar 17 Freezing Fog, Mist0.01 inFZFG, BR
Thu, Mar 18 Freezing Fog, MistFZFG, BR
Fri, Mar 19 MistBR
Sat, Mar 20 Light Snow, Mist0.07 in-SN, BR
Sun, Mar 21 Snow, Light Snow, Freezing Fog, Mist0.27 inSN, -SN, FZFG, BR
Tue, Mar 23 Snow, Light Snow, Freezing Fog, Mist0.04 inSN, -SN, FZFG, BR
Fri, Mar 26 Light Snow, Mist0.04 in-SN, BR
Sat, Mar 27 Snow, Light Snow, Freezing Fog, Mist0.09 inSN, -SN, FZFG, BR
Sun, Mar 28 Light Rain0.00 in-RA
Mon, Mar 29 Light Rain0.00 in-RA
Tue, Apr 6 Light Rain0.00 in-RA
Thu, Apr 8 Light Snow, Light Rain, Mist0.00 in-SN, -RA, BR
Fri, Apr 9 Snow, Light Snow, Freezing Fog, Mist0.17 inSN, -SN, FZFG, BR
Sun, Apr 11 Light Snow, Mist0.02 in-SN, BR
Mon, Apr 12 Light Snow, Mist0.06 in-SN, BR
Wed, Apr 14 Snow, Light Snow, Freezing Fog, Mist0.06 inSN, -SN, FZFG, BR
Thu, Apr 15 Snow, Light Snow, Freezing Fog, Mist0.15 inSN, -SN, FZFG, BR
Fri, Apr 16 Light Snow, Mist0.06 in-SN, BR
Sat, Apr 17 Light Snow, Mist0.00 in-SN, BR
Mon, Apr 19 Snow, Light Snow, Freezing Fog, Mist0.25 inSN, -SN, FZFG, BR
Tue, Apr 20 Light Snow0.00 in-SN
Thu, Apr 22 Mist0.00 inBR
Sat, Apr 24 Light Rain, Freezing Fog, Mist0.00 in-RA, FZFG, BR
Tue, Apr 27 Light Rain, Mist0.08 in-RA, BR
Sun, May 2 Light Rain, Mist0.07 in-RA, BR
Mon, May 3 Light Rain0.00 in-RA, IWC61, IWCA61
Tue, May 4 Distant Lightning, Thunderstorm in the Vicinity, Light Rain0.04 inIWCA12, IWCIV01, VCTS, IWC61, IWCA61, -RA
Wed, May 5 Light Rain0.02 inIWC61, IWCA61, -RA
Sat, May 8 Light Rain and Hail, Light Rain, Mist, Unknown Precipitation0.00 in-RAGR, -RA, BR, UP
Mon, May 10 Light Rain, Mist0.07 in-RA, BR
Tue, May 11 Light Rain0.00 in-RA
Wed, May 12 Light Rain0.00 in-RA
Fri, May 14 Light Rain0.03 in-RA
Sat, May 15 Thunderstorm in the Vicinity, Thunderstorm with Light Rain, Rain, Light Rain, Mist0.29 inVCTS, -TSRA, RA, -RA, BR
Thu, May 20 Light Rain, Mist0.00 in-RA, BR
Fri, May 21 Light Snow, Light Rain, Haze, Mist0.05 in-SN, -RA, HZ, BR
Sat, May 22 Light Rain0.00 in-RA
Sun, May 23 Light Rain, Mist0.00 in-RA, BR
Wed, May 26 Thunderstorm in the Vicinity, Light Rain0.02 inVCTS, -RA
Fri, May 28 Light Rain, Fog, Mist0.00 in-RA, FG, BR
Sun, May 30 Thunderstorm in the VicinityVCTS

Hours of Daylight and Twilight in the Spring of 2021 in Casper

History:202320222021202020192018201720162015
Hours of Daylight and Twilight in the Spring of 2021 in CasperMarAprMay0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrWinterSummerMar 2012 hr, 7 minMar 2012 hr, 7 minnightnightdaydayMay 3115 hr, 7 minMay 3115 hr, 7 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 and Daylight Saving Time in the Spring of 2021 in Casper

History:202320222021202020192018201720162015
Sunrise & Sunset with Twilight and Daylight Saving Time in the Spring of 2021 in CasperMarAprMay2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMWinterSummer5:29 AM5:29 AMMay 318:36 PMMay 318:36 PM6:40 AM6:40 AMMar 15:55 PMMar 15:55 PM7:06 AM7:06 AMMar 217:19 PMMar 217:19 PMMar 14DSTMar 14DST
The solar day over the course of the Spring of 2021. 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. The transitions to and from daylight saving time are indicated by the 'DST' labels.

Solar Elevation and Azimuth in the Spring of 2021 in Casper

History:202320222021202020192018201720162015
Solar Elevation and Azimuth in the Spring of 2021 in CasperMarAprMay12 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 AMWinterSummer0010203030405060010102030405060
northeastsouthwest
Solar elevation and azimuth in the the spring of 2021. 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 Spring of 2021 in Casper

History:202320222021202020192018201720162015
Moon Rise, Set & Phases in the Spring of 2021 in CasperMarAprMay12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMWinterSummerFeb 1112:06 PMFeb 1112:06 PMFeb 271:18 AMFeb 271:18 AMMar 133:22 AMMar 133:22 AMMar 2812:49 PMMar 2812:49 PMApr 118:31 PMApr 118:31 PMApr 269:32 PMApr 269:32 PMMay 111:01 PMMay 111:01 PMMay 265:15 AMMay 265:15 AMJun 104:53 AMJun 104:53 AMJun 2412:40 PMJun 2412:40 PM7:30 AM7:30 AM5:29 PM5:29 PM5:12 PM5:12 PM7:21 AM7:21 AM6:33 PM6:33 PM6:17 PM6:17 PM7:14 AM7:14 AM7:28 PM7:28 PM7:43 PM7:43 PM6:36 AM6:36 AM5:52 AM5:52 AM8:25 PM8:25 PM7:54 PM7:54 PM5:41 AM5:41 AM9:20 PM9:20 PM8:04 PM8:04 PM5:05 AM5:05 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 Spring of 2021 in Casper

History:202320222021202020192018201720162015
Humidity Comfort Levels in the Spring of 2021 in CasperMarAprMay12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMWinterSummer
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 Spring of 2021 in Casper

History:202320222021202020192018201720162015
Wind Speed in the Spring of 2021 in CasperMarAprMay0 mph0 mph10 mph10 mph20 mph20 mph30 mph30 mph40 mph40 mph50 mph50 mph60 mph60 mph70 mph70 mphWinterSummer
The daily range of reported wind speeds (gray bars), with maximum gust speeds (red ticks).

Hourly Wind Speed in the Spring of 2021 in Casper

History:202320222021202020192018201720162015
Hourly Wind Speed in the Spring of 2021 in CasperMarAprMay12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMWinterSummer
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 2021 in Casper

History:202320222021202020192018201720162015
Hourly Wind Direction in 2021 in CasperMarAprMay12 AM12 AM3 AM3 AM6 AM6 AM9 AM9 AM12 PM12 PM3 PM3 PM6 PM6 PM9 PM9 PM12 AM12 AMWinterSummer
calmnortheastsouthwest
The hourly reported wind direction, color coded by compass point. The shaded overlays indicate night and civil twilight.

Atmospheric Pressure in the Spring of 2021 in Casper

History:202320222021202020192018201720162015
Atmospheric Pressure in the Spring of 2021 in CasperMarAprMay29.4 inHg29.4 inHg29.6 inHg29.6 inHg29.8 inHg29.8 inHg30.0 inHg30.0 inHg30.2 inHg30.2 inHg30.4 inHg30.4 inHgWinterSummer
The daily range of atmospheric pressure (gray bars), as measured by the altimeter setting reported in e.g. a METAR report.

The details of the data sources used for this report can be found on the Casper–Natrona County International Airport page.

See all nearby weather stations

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