Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KRIW 310727
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT THU JUL 31 2025
...................................
...THE CASPER WY CLIMATE SUMMARY FOR JULY 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 84 3:20 PM 101 2006 90 -6 95
MINIMUM 53 5:49 AM 38 1971 55 -2 52
AVERAGE 69 72 -3
PRECIPITATION (IN)
YESTERDAY 0.18 0.84 1985 0.04 0.14 0.00
MONTH TO DATE 1.13 1.16 -0.03 0.53
SINCE JUN 1 1.66 2.50 -0.84 1.33
SINCE JAN 1 6.58 8.01 -1.43 6.59
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 MM
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 5 9 -4 16
SINCE JUN 1 96 135 -39 70
SINCE JUL 1 5 9 -4 16
COOLING
YESTERDAY 4 8 -4 9
MONTH TO DATE 223 195 28 182
SINCE JUN 1 298 246 52 285
SINCE JAN 1 298 250 48 288
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 9.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 6:00 AM
LOWEST 31 3:00 PM
AVERAGE 64
..........................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 99 1988
MINIMUM TEMPERATURE (F) 55 42 1968
SUNRISE AND SUNSET
JULY 31 2025..........SUNRISE 5:56 AM MDT SUNSET 8:27 PM MDT
AUGUST 1 2025........SUNRISE 5:57 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.
$$