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CDUS45 KRIW 090045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT FRI MAY 08 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR MAY 8 2026
VALID TODAY AS OF 0600 PM LOCAL TIME.
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)
TODAY
MAXIMUM 70 3:59 PM 84 1987 63 7 73
MINIMUM 39 4:48 AM 18 2010 34 5 41
AVERAGE 55 49 6 57
PRECIPITATION (IN)
TODAY 0.01 1.66 1995 0.08 -0.07 0.00
MONTH TO DATE 0.25 0.54 -0.29 0.34
SINCE MAR 1 1.69 2.79 -1.10 3.26
SINCE JAN 1 2.23 3.84 -1.61 3.98
SNOWFALL (IN)
TODAY MM 0.1 MM 0.0
MONTH TO DATE T 1.2 -1.2 0.3
SINCE MAR 1 11.4 22.0 -10.6 16.0
SINCE JUL 1 27.1 70.3 -43.2 26.5
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 10 16 -6 8
MONTH TO DATE 138 142 -4 134
SINCE MAR 1 1344 1731 -387 1683
SINCE JUL 1 5521 7093 -1572 6698
COOLING
TODAY 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 21 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 11.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97
LOWEST 18
AVERAGE 58
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 83 1962
MINIMUM TEMPERATURE (F) 35 18 2002
SUNRISE AND SUNSET
MAY 8 2026...........SUNRISE 5:51 AM MDT SUNSET 8:15 PM MDT
MAY 9 2026...........SUNRISE 5:49 AM MDT SUNSET 8:16 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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