813
CDUS45 KRIW 300730
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT THU JUL 30 2026
...............................
..THE CASPER WY CLIMATE SUMMARY FOR JULY 29 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 93 12:26 PM 104 2006 90 3 88
MINIMUM 60 5:19 AM 36 2015 55 5 56
AVERAGE 77 72 5
PRECIPITATION (IN)
YESTERDAY 0.01 1.10 1998 0.04 -0.03 0.50
MONTH TO DATE 0.13 1.12 -0.99 0.95
SINCE JUN 1 0.68 2.46 -1.78 1.48
SINCE JAN 1 4.33 7.97 -3.64 6.40
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 12 8 4 7
MONTH TO DATE 327 187 140 219
SINCE JUN 1 362 238 124 294
SINCE JAN 1 363 242 121 294
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 8.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 3:00 AM
LOWEST 19 5:00 PM
AVERAGE 49
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THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 101 2006
MINIMUM TEMPERATURE (F) 55 38 1971
SUNRISE AND SUNSET
JULY 30 2026..........SUNRISE 5:55 AM MDT SUNSET 8:29 PM MDT
JULY 31 2026..........SUNRISE 5:56 AM MDT SUNSET 8:28 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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