Climatological Report (Daily)
Issued by NWS
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074
CDUS45 KRIW 310728
CLIRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT SUN AUG 31 2025
...................................
...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR AUGUST 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 78 4:31 PM 91 1954 77 1 81
MINIMUM 48 6:21 AM 35 1964 50 -2 45
AVERAGE 63 63 0
PRECIPITATION (IN)
YESTERDAY 0.00 0.66 1981 0.02 -0.02 0.00
MONTH TO DATE 0.23 0.54 -0.31 0.85
SINCE JUN 1 0.63 1.71 -1.08 1.36
SINCE JAN 1 2.94 5.22 -2.28 4.23
DEGREE DAYS
HEATING
YESTERDAY 2 3 -1 2
MONTH TO DATE 17 32 -15 24
SINCE JUN 1 86 212 -126 86
SINCE JUL 1 17 53 -36 31
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 136 109 27 134
SINCE JUN 1 418 307 111 406
SINCE JAN 1 422 309 113 406
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 5.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 6:00 AM
LOWEST 16 4:00 PM
AVERAGE 51
..........................................................
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 89 2022
MINIMUM TEMPERATURE (F) 49 33 1962
SUNRISE AND SUNSET
AUGUST 31 2025........SUNRISE 6:42 AM MDT SUNSET 7:50 PM MDT
SEPTEMBER 1 2025.....SUNRISE 6:43 AM MDT SUNSET 7:49 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$