Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KRIW 300730
CLIRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT SUN AUG 30 2026
...................................
...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR AUGUST 29 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 67 9:30 AM 90 1948 78 -11 73
MINIMUM 54 10:37 PM 34 1964 50 4 50
AVERAGE 61 64 -3
PRECIPITATION (IN)
YESTERDAY 0.33R 0.24 1949 0.02 0.31 T
MONTH TO DATE 0.83 0.52 0.31 0.23
SINCE JUN 1 1.19 1.69 -0.50 0.63
SINCE JAN 1 3.03 5.20 -2.17 2.94
DEGREE DAYS
HEATING
YESTERDAY 4 3 1 3
MONTH TO DATE 5 29 -24 15
SINCE JUN 1 116 209 -93 84
SINCE JUL 1 9 50 -41 15
COOLING
YESTERDAY 0 2 -2 0
MONTH TO DATE 190 108 82 136
SINCE JUN 1 535 306 229 418
SINCE JAN 1 537 308 229 422
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 43 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 67 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 11.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 4:00 AM
LOWEST 62 1:00 AM
AVERAGE 78
..........................................................
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 91 1954
MINIMUM TEMPERATURE (F) 50 35 1964
SUNRISE AND SUNSET
AUGUST 30 2026........SUNRISE 6:40 AM MDT SUNSET 7:52 PM MDT
AUGUST 31 2026........SUNRISE 6:41 AM MDT SUNSET 7:51 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$