Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KRIW 130733
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
133 AM MDT WED AUG 13 2025
...................................
...THE CASPER WY CLIMATE SUMMARY FOR AUGUST 12 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 90 2:07 PM 100 2018 88 2 86
MINIMUM 49 5:04 AM 37 2004 53 -4 45
AVERAGE 70 70 0
PRECIPITATION (IN)
YESTERDAY 0.00 0.57 1966 0.03 -0.03 0.00
MONTH TO DATE 0.22 0.37 -0.15 0.15
SINCE JUN 1 1.89 2.90 -1.01 1.48
SINCE JAN 1 6.81 8.41 -1.60 6.74
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 4 0 4 6
SINCE JUN 1 100 140 -40 76
SINCE JUL 1 9 14 -5 22
COOLING
YESTERDAY 5 6 -1 1
MONTH TO DATE 54 78 -24 76
SINCE JUN 1 356 329 27 364
SINCE JAN 1 356 333 23 367
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 4.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 79 5:00 AM
LOWEST 19 2:00 PM
AVERAGE 49
..........................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 99 2000
MINIMUM TEMPERATURE (F) 52 38 2002
SUNRISE AND SUNSET
AUGUST 13 2025........SUNRISE 6:10 AM MDT SUNSET 8:10 PM MDT
AUGUST 14 2025........SUNRISE 6:11 AM MDT SUNSET 8:09 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$