Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KRIW 200727
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT SUN JUL 20 2025
...................................
...THE CASPER WY CLIMATE SUMMARY FOR JULY 19 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 92 12:32 PM 101 1998 90 2 92
MINIMUM 55 2:22 AM 45 1972 54 1 56
2008
AVERAGE 74 72 2
PRECIPITATION (IN)
YESTERDAY T 1.22 1973 0.04 -0.04 0.15
MONTH TO DATE 0.45 0.74 -0.29 0.41
SINCE JUN 1 0.98 2.08 -1.10 1.21
SINCE JAN 1 5.90 7.59 -1.69 6.47
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 5 9 -4 16
SINCE JUN 1 96 135 -39 70
SINCE JUL 1 5 9 -4 16
COOLING
YESTERDAY 9 7 2 9
MONTH TO DATE 132 109 23 109
SINCE JUN 1 207 160 47 212
SINCE JAN 1 207 164 43 215
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 11.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 2:00 AM
LOWEST 15 12:00 PM
AVERAGE 52
..........................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 99 2005
2012
MINIMUM TEMPERATURE (F) 54 43 1972
2015
SUNRISE AND SUNSET
JULY 20 2025..........SUNRISE 5:45 AM MDT SUNSET 8:39 PM MDT
JULY 21 2025..........SUNRISE 5:46 AM MDT SUNSET 8:38 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$