Climatological Report (Daily)
Issued by NWS
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CDUS45 KRIW 260726
CLIRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
126 AM MDT SAT SEP 26 2026
...................................
...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR SEPTEMBER 25 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 75 4:08 PM 83 2001 67 8 75
MINIMUM 46 3:55 AM 18 2000 41 5 40
AVERAGE 61 54 7
PRECIPITATION (IN)
YESTERDAY 0.00 0.35 1955 0.03 -0.03 0.00
MONTH TO DATE 0.30 0.64 -0.34 0.49
SINCE SEP 1 0.30 0.64 -0.34 0.49
SINCE JAN 1 3.35 5.88 -2.53 3.43
DEGREE DAYS
HEATING
YESTERDAY 4 12 -8 7
MONTH TO DATE 95 178 -83 135
SINCE SEP 1 95 178 -83 135
SINCE JUL 1 109 237 -128 153
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 21 8 13 19
SINCE SEP 1 21 8 13 19
SINCE JAN 1 558 317 241 441
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 9.5
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 71 4:00 AM
LOWEST 16 5:00 PM
AVERAGE 44
..........................................................
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 83 2015
MINIMUM TEMPERATURE (F) 40 24 1996
SUNRISE AND SUNSET
SEPTEMBER 26 2026.....SUNRISE 7:08 AM MDT SUNSET 7:06 PM MDT
SEPTEMBER 27 2026.....SUNRISE 7:09 AM MDT SUNSET 7:05 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$