Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KRIW 230045
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT THU MAY 22 2025
...................................
...THE CASPER WY CLIMATE SUMMARY FOR MAY 22 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 72 3:08 PM 86 1980 69 3 63
2006
MINIMUM 28 4:49 AM 22 2022 39 -11 32
AVERAGE 50 54 -4 48
PRECIPITATION (IN)
TODAY 0.00 2.07 1952 0.07 -0.07 0.00
MONTH TO DATE 0.74 1.59 -0.85 2.44
SINCE MAR 1 3.66 3.84 -0.18 4.23
SINCE JAN 1 4.38 4.89 -0.51 5.26
SNOWFALL (IN)
TODAY MM 0.1 MM 0.0
MONTH TO DATE 0.3 2.4 -2.1 3.9
SINCE MAR 1 16.0 23.2 -7.2 13.2
SINCE JUL 1 26.5 71.5 -45.0 42.5
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 15 11 4 17
MONTH TO DATE 298 329 -31 367
SINCE MAR 1 1847 1918 -71 1893
SINCE JUL 1 6862 7280 -418 6848
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 24 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 7.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96
LOWEST 30
AVERAGE 63
..........................................................
THE CASPER WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 88 1984
MINIMUM TEMPERATURE (F) 40 28 1986
2002
2019
SUNRISE AND SUNSET
MAY 22 2025...........SUNRISE 5:36 AM MDT SUNSET 8:30 PM MDT
MAY 23 2025...........SUNRISE 5:35 AM MDT SUNSET 8:31 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$