551
CXUS55 KRIW 031705
CLMCPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1049 AM MDT FRI APR 03 2026
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR CASPER FOR THE MONTH OF
MARCH 2026...
...OFFICIAL CLIMATE DATA FOR THE MONTH OF MARCH 2026 WILL BE
AVAILABLE IN APPROXIMATELY 60 DAYS FROM THE NATIONAL CENTERS FOR
ENVIRONMENTAL INFORMATION (HTTP://WWW.NCDC.NOAA.GOV/CDO-
WEB/DATASETS). UNOFFICIAL ASOS DAILY SUMMARIES ARE AVAILABLE ON THE
INTERNET AT HTTP://WWW.WEATHER.GOV/CLIMATE/INDEX.PHP?WFO=RIW
..MARCH IN CASPER WAS DRIER THAN NORMAL WITH RECORD WARMTH
AVERAGE TEMPERATURE FOR CASPER IN MARCH WAS 45.9 DEGREES WHICH IS
10.1 DEGREES ABOVE NORMAL. IT WAS THE WARMEST MARCH ON RECORD. THE
WARMEST READING OF THE MONTH WAS 83 DEGREES ON THE 21ST WHICH BROKE
THE 2009 RECORD OF 72. IT ALSO SET A NEW ALL-TIME RECORD HIGH FOR
MARCH...BEATING 77 DEGREES SET ON MARCH 31ST 2012. SEVERAL OTHER
RECORD HIGHS WERE SET AND ARE LISTED BELOW. THE COLDEST READING FOR
THE MONTH WAS 5 DEGREES ON THE 16TH.
DATENEWOLDYEAR
19TH81711997
(EARLIEST 80-DEGREE DAY FOR THE YEAR. PREVIOUS WAS APRIL 11TH 2025)
20TH81732007
24TH77721993
25TH82742012
28TH75 (T)752015
29TH76741986
30TH76731986,1966
TOTAL PRECIPITATION FOR THE MONTH WAS 0.16 INCHES...WHICH IS 19
PERCENT OF NORMAL. IT TIED 1942 FOR THE SECOND DRIEST MARCH ON
RECORD. THE WETTEST 24-HOUR PERIOD DURING THE MONTH WAS ON THE 14TH
WITH 0.10 INCHES. NO PRECIPITATION OR SNOWFALL RECORDS WERE BROKEN
THIS MONTH.
THE SNOWFALL FOR THE MONTH WAS 1.6 INCHES WHICH IS 16 PERCENT OF
NORMAL. IT TIED 1942 FOR SECOND LEAST SNOWFALL IN MARCH. THE
SNOWIEST 24-HOURS WAS ON THE 14TH-15TH WITH 1.1 INCHES. THE HIGHEST
WIND GUST WAS 78 MPH FROM THE WEST ON THE 12TH.
..THE CASPER WY CLIMATE SUMMARY FOR THE MONTH OF MARCH 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..........................................................
TEMPERATURE (F)
RECORD
HIGH 77 03/31/2012
LOW -25 03/10/2022
03/10/2022
HIGHEST 83R 03/21
LOWEST 5 03/16
AVG. MAXIMUM 62.4R 48.8 13.6
AVG. MINIMUM 29.4 22.7 6.7
MEAN 45.9R 35.8 10.1
DAYS MAX >= 90 0
DAYS MAX <= 32 1
DAYS MIN <= 32 17
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 2.83 2021
MINIMUM 0.12 2004
TOTALS 0.16 0.84 -0.68 1.33
DAILY AVG. 0.01 0.03 -0.02
DAYS >= .01 4
DAYS >= .10 1
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.10 03/14 TO 03/14
STORM TOTAL 0.10
SNOWFALL (INCHES)
TOTALS 1.6 10.3 -8.7
SINCE 7/1 17.3 58.6 -41.3
SNOWDEPTH AVG. 0
DAYS >= 1.0 0
DEGREE DAYS
HEATING TOTAL 586 907 -321
SINCE 7/1 4763 6269 -1506
COOLING TOTAL 0 0 0
SINCE 1/1 0 0 0
..........................................................
WIND (MPH)
AVERAGE WIND SPEED 14.9
RESULTANT WIND SPEED/DIRECTION 9/250
HIGHEST WIND SPEED/DIRECTION 55/270 DATE 03/12
HIGHEST GUST SPEED/DIRECTION 78/260 DATE 03/12
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.26
NUMBER OF DAYS FAIR 21
NUMBER OF DAYS PC 7
NUMBER OF DAYS CLOUDY 3
AVERAGE RH (PERCENT) 49
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 4 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 4 SLEET 0
FOG 6 FOG W/VIS <= 1/4 MILE 0
HAZE 5
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
LOOKING AHEAD TO APRIL 2026. THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 54 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 26 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 60
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 31. THE AVERAGE MONTHLY
PRECIPITATION IS 1.41 INCHES. THE AVERAGE SNOWFALL IS 10.5 INCHES.
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