Climatological Report (Daily)
Issued by NWS
Issued by NWS
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020
CDUS45 KRIW 090730
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT SUN AUG 09 2026
...................................
...THE CASPER WY CLIMATE SUMMARY FOR AUGUST 8 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 99R 2:47 PM 98 1983 89 10 83
2001
MINIMUM 56 2:45 AM 44 1996 54 2 48
AVERAGE 78 71 7
PRECIPITATION (IN)
YESTERDAY 0.00 0.29 2023 0.03 -0.03 0.00
MONTH TO DATE 0.00 0.26 -0.26 0.22
SINCE JUN 1 0.68 2.79 -2.11 1.89
SINCE JAN 1 4.33 8.30 -3.97 6.81
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 0 0 0
MONTH TO DATE 3 0 3 0
SINCE JUN 1 95 140 -45 96
SINCE JUL 1 3 14 -11 5
COOLING
YESTERDAY 13 6 7 1
MONTH TO DATE 59 54 5 49
SINCE JUN 1 436 305 131 351
SINCE JAN 1 437 309 128 351
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 12.5
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 38 2:00 AM
LOWEST 5 3:00 PM
AVERAGE 22
..........................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 99 1992
MINIMUM TEMPERATURE (F) 53 39 2025
SUNRISE AND SUNSET
AUGUST 9 2026........SUNRISE 6:06 AM MDT SUNSET 8:16 PM MDT
AUGUST 10 2026........SUNRISE 6:07 AM MDT SUNSET 8:15 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$