820
CDUS45 KRIW 280734
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
134 AM MDT WED MAY 28 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR MAY 27 2025
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)
YESTERDAY
MAXIMUM 72 2:34 PM 91 1969 72 0 72
MINIMUM 37 4:33 AM 30 1950 41 -4 31
AVERAGE 55 56 -1
PRECIPITATION (IN)
YESTERDAY 0.08 0.65 2019 0.07 0.01 0.00
MONTH TO DATE 1.08 1.94 -0.86 2.44
SINCE MAR 1 4.00 4.19 -0.19 4.23
SINCE JAN 1 4.72 5.24 -0.52 5.26
SNOWFALL (IN)
YESTERDAY MM T 2018 0.0 MM 0.0
MONTH TO DATE 0.3 2.5 -2.2 3.9
SINCE MAR 1 16.0 23.3 -7.3 13.2
SINCE JUL 1 26.5 71.6 -45.1 42.5
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 10 9 1 13
MONTH TO DATE 345 377 -32 438
SINCE MAR 1 1894 1966 -72 1964
SINCE JUL 1 6909 7328 -419 6919
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 24 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 7.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 35 1:00 PM
AVERAGE 68
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THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 92 2014
MINIMUM TEMPERATURE (F) 41 28 1947
SUNRISE AND SUNSET
MAY 28 2025...........SUNRISE 5:32 AM MDT SUNSET 8:35 PM MDT
MAY 29 2025...........SUNRISE 5:31 AM MDT SUNSET 8:36 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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