Climatological Report (Daily)
Issued by NWS
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CDUS45 KRIW 310727
CLIRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT THU JUL 31 2025
...................................
...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR JULY 30 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1948 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 85 1:12 PM 95 1966 85 0 88
MINIMUM 52 5:38 AM 40 1950 56 -4 50
AVERAGE 69 71 -2
PRECIPITATION (IN)
YESTERDAY 0.05 0.26 1965 0.02 0.03 0.00
MONTH TO DATE 0.38 0.45 -0.07 0.26
SINCE JUN 1 0.40 1.15 -0.75 0.51
SINCE JAN 1 2.71 4.66 -1.95 3.38
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 16 -16 7
SINCE JUN 1 69 175 -106 62
SINCE JUL 1 0 16 -16 7
COOLING
YESTERDAY 4 6 -2 4
MONTH TO DATE 185 153 32 170
SINCE JUN 1 276 192 84 268
SINCE JAN 1 280 194 86 268
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 39 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 56 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 13.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 11:00 PM
LOWEST 20 1:00 PM
AVERAGE 47
..........................................................
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 94 1988
2003
MINIMUM TEMPERATURE (F) 56 42 1995
SUNRISE AND SUNSET
JULY 31 2025..........SUNRISE 6:10 AM MDT SUNSET 8:34 PM MDT
AUGUST 1 2025........SUNRISE 6:11 AM MDT SUNSET 8:33 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$