481
CDUS45 KRIW 010744
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
144 AM MDT WED APR 01 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR MARCH 31 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 54 4:22 PM 77 2012 53 1 50
MINIMUM 30 6:25 AM 5 1954 26 4 28
AVERAGE 42 40 2
PRECIPITATION (IN)
YESTERDAY T 1.08 2017 0.04 -0.04 0.06
MONTH TO DATE 0.16 0.84 -0.68 1.33
SINCE MAR 1 0.16 0.84 -0.68 1.33
SINCE JAN 1 0.70 1.89 -1.19 2.05
SNOWFALL (IN)
YESTERDAY 0.0 5.6 1975 0.4 -0.4 0.0
MONTH TO DATE 1.6 10.3 -8.7 8.0
SINCE MAR 1 1.6 10.3 -8.7 8.0
SINCE JUL 1 17.3 58.6 -41.3 18.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 23 25 -2 26
MONTH TO DATE 586 907 -321 849
SINCE MAR 1 586 907 -321 849
SINCE JUL 1 4763 6269 -1506 5864
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 10.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 3:00 AM
LOWEST 41 5:00 PM
AVERAGE 67
......................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 54 75 2004
2012
MINIMUM TEMPERATURE (F) 26 -1 1975
SUNRISE AND SUNSET
APRIL 1 2026.........SUNRISE 6:48 AM MDT SUNSET 7:32 PM MDT
APRIL 2 2026.........SUNRISE 6:46 AM MDT SUNSET 7:33 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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