460
CDUS45 KRIW 180045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT SAT MAY 17 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR MAY 17 2025
VALID TODAY AS OF 0600 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 71 2:44 PM 87 1948 67 4 79
MINIMUM 29 5:10 AM 28 1942 38 -9 41
1986
1990
AVERAGE 50 52 -2 60
PRECIPITATION (IN)
TODAY 0.00 2.22 2000 0.08 -0.08 0.00
MONTH TO DATE 0.41 1.21 -0.80 1.85
SINCE MAR 1 3.33 3.46 -0.13 3.64
SINCE JAN 1 4.05 4.51 -0.46 4.67
SNOWFALL (IN)
TODAY MM 0.1 MM 0.0
MONTH TO DATE 0.3 2.1 -1.8 3.9
SINCE MAR 1 16.0 22.9 -6.9 13.2
SINCE JUL 1 26.5 71.2 -44.7 42.5
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 15 13 2 5
MONTH TO DATE 215 271 -56 286
SINCE MAR 1 1764 1860 -96 1812
SINCE JUL 1 6779 7222 -443 6767
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 23 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 8.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92
LOWEST 22
AVERAGE 57
......................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 88 1992
2009
MINIMUM TEMPERATURE (F) 38 25 1943
SUNRISE AND SUNSET
MAY 17 2025...........SUNRISE 5:41 AM MDT SUNSET 8:25 PM MDT
MAY 18 2025...........SUNRISE 5:40 AM MDT SUNSET 8:26 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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