423
CDUS45 KRIW 190729
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT SUN JUL 19 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR JULY 18 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 99 2:27 PM 103 1998 90 9 84
MINIMUM 59 5:04 AM 44 1949 54 5 55
1980
2005
AVERAGE 79 72 7
PRECIPITATION (IN)
YESTERDAY 0.00 0.34 1941 0.04 -0.04 T
MONTH TO DATE 0.05 0.70 -0.65 0.45
SINCE JUN 1 0.60 2.04 -1.44 0.98
SINCE JAN 1 4.25 7.55 -3.30 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 14 7 7 5
MONTH TO DATE 162 102 60 123
SINCE JUN 1 197 153 44 198
SINCE JAN 1 198 157 41 198
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 8.1
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 87 5:00 AM
LOWEST 15 2:00 PM
AVERAGE 51
......................................................
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 2026..........SUNRISE 5:44 AM MDT SUNSET 8:40 PM MDT
JULY 20 2026..........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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