177
CDUS45 KRIW 310729
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT SAT MAY 31 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR MAY 30 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 77 3:22 PM 92 1984 73 4 72
MINIMUM 49 11:59 PM 29 2004 42 7 38
2006
2010
AVERAGE 63 57 6
PRECIPITATION (IN)
YESTERDAY 0.00 1.15 1971 0.06 -0.06 0.00
MONTH TO DATE 1.28 2.14 -0.86 2.44
SINCE MAR 1 4.20 4.39 -0.19 4.23
SINCE JAN 1 4.92 5.44 -0.52 5.26
SNOWFALL (IN)
YESTERDAY 0.0 T 1989 0.0 0.0 0.0
MONTH TO DATE 0.3 2.6 -2.3 3.9
SINCE MAR 1 16.0 23.4 -7.4 13.2
SINCE JUL 1 26.5 71.7 -45.2 42.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 2 8 -6 10
MONTH TO DATE 365 402 -37 457
SINCE MAR 1 1914 1991 -77 1983
SINCE JUL 1 6929 7353 -424 6938
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 3
SINCE MAR 1 0 0 0 3
SINCE JAN 1 0 0 0 3
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NE (30)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 9.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 12:00 AM
LOWEST 36 10:00 AM
AVERAGE 65
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THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 91 2020
MINIMUM TEMPERATURE (F) 42 27 1979
SUNRISE AND SUNSET
MAY 31 2025...........SUNRISE 5:30 AM MDT SUNSET 8:38 PM MDT
JUNE 1 2025..........SUNRISE 5:30 AM MDT SUNSET 8:38 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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