Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KRIW 100728
CLICPR
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT FRI JUL 10 2026
...................................
...THE CASPER WY CLIMATE SUMMARY FOR JULY 9 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 84 12:18 PM 100 2025 88 -4 100
MINIMUM 52 11:38 PM 40 1959 52 0 55
2004
AVERAGE 68 70 -2
PRECIPITATION (IN)
YESTERDAY 0.05 1.18 1984 0.04 0.01 0.00
MONTH TO DATE 0.05 0.34 -0.29 0.15
SINCE JUN 1 0.60 1.68 -1.08 0.68
SINCE JAN 1 4.25 7.19 -2.94 5.60
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 1 -1 0
MONTH TO DATE 0 9 -9 0
SINCE JUN 1 92 135 -43 91
SINCE JUL 1 0 9 -9 0
COOLING
YESTERDAY 3 6 -3 13
MONTH TO DATE 53 44 9 74
SINCE JUN 1 88 95 -7 149
SINCE JAN 1 89 99 -10 149
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 8.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 3:00 AM
LOWEST 30 12:00 PM
AVERAGE 60
..........................................................
THE CASPER WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 101 1954
1994
MINIMUM TEMPERATURE (F) 52 39 2019
SUNRISE AND SUNSET
JULY 10 2026..........SUNRISE 5:37 AM MDT SUNSET 8:45 PM MDT
JULY 11 2026..........SUNRISE 5:38 AM MDT SUNSET 8:45 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$