Climatological Report (Daily)
Issued by NWS
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CDUS45 KRIW 220733
CLIRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
133 AM MDT WED JUL 22 2026
...................................
...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR JULY 21 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1948 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 93 3:39 PM 95 2005 85 8 85
MINIMUM 65 11:56 PM 44 1949 56 9 58
AVERAGE 79 71 8
PRECIPITATION (IN)
YESTERDAY 0.00 0.90 2012 0.01 -0.01 0.00
MONTH TO DATE 0.02 0.30 -0.28 0.33
SINCE JUN 1 0.26 1.00 -0.74 0.35
SINCE JAN 1 2.10 4.51 -2.41 2.66
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 4 16 -12 0
SINCE JUN 1 111 175 -64 69
SINCE JUL 1 4 16 -12 0
COOLING
YESTERDAY 14 6 8 7
MONTH TO DATE 203 99 104 133
SINCE JUN 1 242 138 104 224
SINCE JAN 1 244 140 104 228
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 12.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 61 11:00 PM
LOWEST 19 6:00 PM
AVERAGE 40
..........................................................
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 96 2007
MINIMUM TEMPERATURE (F) 56 39 1978
SUNRISE AND SUNSET
JULY 22 2026..........SUNRISE 6:01 AM MDT SUNSET 8:44 PM MDT
JULY 23 2026..........SUNRISE 6:02 AM MDT SUNSET 8:43 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$