013
CDUS45 KRIW 160731
CLIRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT TUE SEP 16 2025
...............................
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR SEPTEMBER 15 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 75 2:59 PM 86 1990 71 4 79
MINIMUM 45 4:11 AM 24 1970 44 1 42
AVERAGE 60 58 2
PRECIPITATION (IN)
YESTERDAY T 0.33 2015 0.02 -0.02 T
MONTH TO DATE 0.08 0.35 -0.27 0.28
SINCE SEP 1 0.08 0.35 -0.27 0.28
SINCE JAN 1 3.02 5.59 -2.57 4.51
DEGREE DAYS
HEATING
YESTERDAY 5 8 -3 4
MONTH TO DATE 43 80 -37 43
SINCE SEP 1 43 80 -37 43
SINCE JUL 1 61 139 -78 74
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 26 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 10.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 59 8:00 AM
LOWEST 20 5:00 PM
AVERAGE 40
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THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 84 2000
MINIMUM TEMPERATURE (F) 44 18 1965
SUNRISE AND SUNSET
SEPTEMBER 16 2025.....SUNRISE 6:58 AM MDT SUNSET 7:23 PM MDT
SEPTEMBER 17 2025.....SUNRISE 6:59 AM MDT SUNSET 7:21 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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