Climatological Report (Daily)
Issued by NWS
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CDUS45 KRIW 220731
CLIRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT SAT AUG 22 2026
...................................
...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR AUGUST 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 93R 4:12 PM 92 2003 80 13 87
MINIMUM 60 6:04 AM 34 1966 52 8 62
AVERAGE 77 66 11
PRECIPITATION (IN)
YESTERDAY T 0.24 2021 0.02 -0.02 T
MONTH TO DATE 0.50 0.38 0.12 0.03
SINCE JUN 1 0.86 1.55 -0.69 0.43
SINCE JAN 1 2.70 5.06 -2.36 2.74
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 1 12 -11 10
SINCE JUN 1 112 192 -80 79
SINCE JUL 1 5 33 -28 10
COOLING
YESTERDAY 12 3 9 10
MONTH TO DATE 148 92 56 116
SINCE JUN 1 493 290 203 398
SINCE JAN 1 495 292 203 402
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 4.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 47 6:00 AM
LOWEST 12 4:00 PM
AVERAGE 30
..........................................................
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 93 2009
2020
MINIMUM TEMPERATURE (F) 52 37 1966
SUNRISE AND SUNSET
AUGUST 22 2026........SUNRISE 6:32 AM MDT SUNSET 8:05 PM MDT
AUGUST 23 2026........SUNRISE 6:33 AM MDT SUNSET 8:04 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$