Climatological Report (Daily)
Issued by NWS
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CDUS45 KRIW 270731
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT MON JUL 27 2026
...................................
...THE CASPER WY CLIMATE SUMMARY FOR JULY 26 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 102R 5:16 PM 98 2008 90 12 95
2010
MINIMUM 60 5:05 AM 40 1971 55 5 50
AVERAGE 81 72 9
PRECIPITATION (IN)
YESTERDAY 0.00 0.68 1963 0.04 -0.04 0.00
MONTH TO DATE 0.12 1.01 -0.89 0.45
SINCE JUN 1 0.67 2.35 -1.68 0.98
SINCE JAN 1 4.32 7.86 -3.54 5.90
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 0 9 -9 5
SINCE JUN 1 92 135 -43 96
SINCE JUL 1 0 9 -9 5
COOLING
YESTERDAY 16 8 8 8
MONTH TO DATE 288 163 125 197
SINCE JUN 1 323 214 109 272
SINCE JAN 1 324 218 106 272
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 10.2
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 64 5:00 AM
LOWEST 12 5:00 PM
AVERAGE 38
..........................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 100 2021
MINIMUM TEMPERATURE (F) 55 45 2005
SUNRISE AND SUNSET
JULY 27 2026..........SUNRISE 5:52 AM MDT SUNSET 8:32 PM MDT
JULY 28 2026..........SUNRISE 5:53 AM MDT SUNSET 8:31 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$