964
CDUS45 KRIW 190731
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT SAT JUL 19 2025
...............................
..THE CASPER WY CLIMATE SUMMARY FOR JULY 18 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 84 2:52 PM 103 1998 90 -6 94
MINIMUM 55 4:12 AM 44 1949 54 1 53
1980
2005
AVERAGE 70 72 -2
PRECIPITATION (IN)
YESTERDAY T 0.34 1941 0.04 -0.04 0.00
MONTH TO DATE 0.45 0.70 -0.25 0.26
SINCE JUN 1 0.98 2.04 -1.06 1.06
SINCE JAN 1 5.90 7.55 -1.65 6.32
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 5 7 -2 9
MONTH TO DATE 123 102 21 100
SINCE JUN 1 198 153 45 203
SINCE JAN 1 198 157 41 206
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 7.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 2:00 AM
LOWEST 24 3:00 PM
AVERAGE 59
......................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 101 1998
MINIMUM TEMPERATURE (F) 54 45 1972
2008
SUNRISE AND SUNSET
JULY 19 2025..........SUNRISE 5:45 AM MDT SUNSET 8:39 PM MDT
JULY 20 2025..........SUNRISE 5:45 AM MDT SUNSET 8:39 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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