617
CDUS45 KRIW 140727
CLIRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT SUN SEP 14 2025
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..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR SEPTEMBER 13 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 67 5:26 PM 86 1990 72 -5 67
MINIMUM 36 5:47 AM 26 1970 45 -9 36
AVERAGE 52 58 -6
PRECIPITATION (IN)
YESTERDAY T 0.36 2021 0.03 -0.03 0.00
MONTH TO DATE 0.08 0.30 -0.22 0.28
SINCE SEP 1 0.08 0.30 -0.22 0.28
SINCE JAN 1 3.02 5.54 -2.52 4.51
DEGREE DAYS
HEATING
YESTERDAY 13 7 6 13
MONTH TO DATE 29 65 -36 33
SINCE SEP 1 29 65 -36 33
SINCE JUL 1 47 124 -77 64
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 19 8 11 31
SINCE SEP 1 19 8 11 31
SINCE JAN 1 441 317 124 438
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WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 6.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 7:00 AM
LOWEST 32 5:00 PM
AVERAGE 59
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THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 87 1990
MINIMUM TEMPERATURE (F) 45 26 1970
SUNRISE AND SUNSET
SEPTEMBER 14 2025.....SUNRISE 6:56 AM MDT SUNSET 7:27 PM MDT
SEPTEMBER 15 2025.....SUNRISE 6:57 AM MDT SUNSET 7:25 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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