Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KRIW 260732
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
132 AM MDT WED AUG 26 2026
...................................
...THE CASPER WY CLIMATE SUMMARY FOR AUGUST 25 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1939 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 83 4:32 PM 96 1969 85 -2 84
1994
2011
MINIMUM 55 5:52 AM 36 1964 49 6 49
AVERAGE 69 67 2
PRECIPITATION (IN)
YESTERDAY 0.12 0.85 1987 0.03 0.09 0.00
MONTH TO DATE 2.01 0.67 1.34 0.23
SINCE JUN 1 2.69 3.20 -0.51 1.90
SINCE JAN 1 6.34 8.71 -2.37 6.82
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 5 15 -10 4
SINCE JUN 1 97 155 -58 100
SINCE JUL 1 5 29 -24 9
COOLING
YESTERDAY 4 4 0 2
MONTH TO DATE 180 138 42 141
SINCE JUN 1 557 389 168 443
SINCE JAN 1 558 393 165 443
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 39 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 49 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 7.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 11:00 PM
LOWEST 24 4:00 PM
AVERAGE 56
..........................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 98 1994
MINIMUM TEMPERATURE (F) 49 39 2005
SUNRISE AND SUNSET
AUGUST 26 2026........SUNRISE 6:24 AM MDT SUNSET 7:50 PM MDT
AUGUST 27 2026........SUNRISE 6:25 AM MDT SUNSET 7:49 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$