Climatological Report (Daily)
Issued by NWS
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906
CDUS45 KRIW 010730
CLIRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT TUE SEP 01 2026
...................................
...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR AUGUST 31 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 77 1:55 PM 89 2022 77 0 79
MINIMUM 47 5:55 AM 33 1962 49 -2 48
AVERAGE 62 63 -1
PRECIPITATION (IN)
YESTERDAY 0.00 0.51 1963 0.02 -0.02 0.00
MONTH TO DATE 0.85 0.56 0.29 0.23
SINCE JUN 1 1.21 1.73 -0.52 0.63
SINCE JAN 1 3.05 5.24 -2.19 2.94
DEGREE DAYS
HEATING
YESTERDAY 3 3 0 1
MONTH TO DATE 10 35 -25 18
SINCE JUN 1 121 215 -94 87
SINCE JUL 1 14 56 -42 18
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 190 109 81 136
SINCE JUN 1 535 307 228 418
SINCE JAN 1 537 309 228 422
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 7.8
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 83 8:00 AM
LOWEST 22 1:00 PM
AVERAGE 53
..........................................................
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 90 2022
MINIMUM TEMPERATURE (F) 49 32 1973
SUNRISE AND SUNSET
SEPTEMBER 1 2026.....SUNRISE 6:42 AM MDT SUNSET 7:49 PM MDT
SEPTEMBER 2 2026.....SUNRISE 6:43 AM MDT SUNSET 7:47 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$