471
CDUS45 KRIW 250730
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT MON AUG 25 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR AUGUST 24 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 81 2:46 PM 97 1994 85 -4 89
MINIMUM 48 6:13 AM 39 2010 50 -2 64
AVERAGE 65 67 -2
PRECIPITATION (IN)
YESTERDAY 0.00 0.29 2016 0.02 -0.02 0.00
MONTH TO DATE 0.23 0.64 -0.41 0.19
SINCE JUN 1 1.90 3.17 -1.27 1.52
SINCE JAN 1 6.82 8.68 -1.86 6.78
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2020 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.1 -0.1 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 4 13 -9 6
SINCE JUN 1 100 153 -53 76
SINCE JUL 1 9 27 -18 22
COOLING
YESTERDAY 0 4 -4 12
MONTH TO DATE 139 134 5 175
SINCE JUN 1 441 385 56 463
SINCE JAN 1 441 389 52 466
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 8.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 5:00 AM
LOWEST 35 2:00 PM
AVERAGE 58
......................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 96 1969
1994
2011
MINIMUM TEMPERATURE (F) 49 36 1964
SUNRISE AND SUNSET
AUGUST 25 2025........SUNRISE 6:23 AM MDT SUNSET 7:52 PM MDT
AUGUST 26 2025........SUNRISE 6:24 AM MDT SUNSET 7:50 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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