402
CDUS45 KRIW 060045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT TUE MAY 05 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR MAY 5 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 44 12:25 PM 88 2000 62 -18 57
MINIMUM 34 6:23 AM 20 1950 33 1 33
2010
AVERAGE 39 48 -9 45
PRECIPITATION (IN)
TODAY 0.05 2.20 2007 0.06 -0.01 0.13
MONTH TO DATE 0.05 0.32 -0.27 0.18
SINCE MAR 1 1.49 2.57 -1.08 3.10
SINCE JAN 1 2.03 3.62 -1.59 3.82
SNOWFALL (IN)
TODAY MM 0.2 MM T
MONTH TO DATE 0.0 0.8 -0.8 T
SINCE MAR 1 11.4 21.6 -10.2 15.7
SINCE JUL 1 27.1 69.9 -42.8 26.2
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 26 18 8 20
MONTH TO DATE 90 92 -2 82
SINCE MAR 1 1296 1681 -385 1631
SINCE JUL 1 5473 7043 -1570 6646
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 18 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 8.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
LIGHT SNOW
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92
LOWEST 48
AVERAGE 70
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 62 86 1966
1992
MINIMUM TEMPERATURE (F) 34 20 2010
SUNRISE AND SUNSET
MAY 5 2026...........SUNRISE 5:54 AM MDT SUNSET 8:11 PM MDT
MAY 6 2026...........SUNRISE 5:53 AM MDT SUNSET 8:13 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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