963
CDUS45 KRIW 090730
CLIRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT TUE SEP 09 2025
...............................
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR SEPTEMBER 8 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 79 3:36 PM 88 2022 74 5 85
MINIMUM 47 5:23 AM 24 2020 47 0 52
AVERAGE 63 60 3
PRECIPITATION (IN)
YESTERDAY T 0.36 2020 0.02 -0.02 0.00
MONTH TO DATE 0.06 0.17 -0.11 0.24
SINCE SEP 1 0.06 0.17 -0.11 0.24
SINCE JAN 1 3.00 5.41 -2.41 4.47
DEGREE DAYS
HEATING
YESTERDAY 2 5 -3 0
MONTH TO DATE 8 34 -26 9
SINCE SEP 1 8 34 -26 9
SINCE JUL 1 26 93 -67 40
COOLING
YESTERDAY 0 1 -1 4
MONTH TO DATE 15 8 7 21
SINCE SEP 1 15 8 7 21
SINCE JAN 1 437 317 120 428
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WIND (MPH)
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 6.5
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 2:00 AM
LOWEST 17 2:00 PM
AVERAGE 52
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THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 88 2021
MINIMUM TEMPERATURE (F) 46 22 1962
SUNRISE AND SUNSET
SEPTEMBER 9 2025.....SUNRISE 6:51 AM MDT SUNSET 7:35 PM MDT
SEPTEMBER 10 2025.....SUNRISE 6:52 AM MDT SUNSET 7:34 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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