Climatological Report (Daily)
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CDUS45 KRIW 180726
CLIRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
126 AM MDT FRI SEP 18 2026
...................................
...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR SEPTEMBER 17 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 3:14 PM 83 2010 70 5 66
MINIMUM 54 5:56 AM 10 1965 44 10 40
AVERAGE 65 57 8
PRECIPITATION (IN)
YESTERDAY 0.02 1.29 1965 0.02 0.00 0.00
MONTH TO DATE 0.08 0.40 -0.32 0.13
SINCE SEP 1 0.08 0.40 -0.32 0.13
SINCE JAN 1 3.13 5.64 -2.51 3.07
DEGREE DAYS
HEATING
YESTERDAY 0 8 -8 12
MONTH TO DATE 24 96 -72 65
SINCE SEP 1 24 96 -72 65
SINCE JUL 1 38 155 -117 83
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 47 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 62 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 12.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 6:00 AM
LOWEST 38 4:00 PM
AVERAGE 61
..........................................................
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 84 2014
MINIMUM TEMPERATURE (F) 43 5 1965
SUNRISE AND SUNSET
SEPTEMBER 18 2026.....SUNRISE 7:00 AM MDT SUNSET 7:20 PM MDT
SEPTEMBER 19 2026.....SUNRISE 7:01 AM MDT SUNSET 7:18 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$