928
CDUS45 KRIW 200729
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT MON JUL 20 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR JULY 19 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 1:33 PM 101 1998 90 9 92
MINIMUM 67 11:59 PM 45 1972 54 13 55
2008
AVERAGE 83 72 11
PRECIPITATION (IN)
YESTERDAY 0.00 1.22 1973 0.04 -0.04 T
MONTH TO DATE 0.05 0.74 -0.69 0.45
SINCE JUN 1 0.60 2.08 -1.48 0.98
SINCE JAN 1 4.25 7.59 -3.34 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 18 7 11 9
MONTH TO DATE 180 109 71 132
SINCE JUN 1 215 160 55 207
SINCE JAN 1 216 164 52 207
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 7.7
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 57 3:00 AM
LOWEST 14 4:00 PM
AVERAGE 36
......................................................
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 2026..........SUNRISE 5:45 AM MDT SUNSET 8:39 PM MDT
JULY 21 2026..........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.
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