347
CDUS45 KRIW 300731
CLIRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1231 AM MST TUE DEC 30 2025
...............................
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR DECEMBER 29 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 37 4:02 PM 47 2017 28 9 45
MINIMUM 13 7:11 AM -11 1978 13 0 29
AVERAGE 25 21 4
PRECIPITATION (IN)
YESTERDAY 0.00 0.43 1972 0.01 -0.01 0.08
MONTH TO DATE 0.10 0.29 -0.19 0.18
SINCE DEC 1 0.10 0.29 -0.19 0.18
SINCE JAN 1 4.51 7.53 -3.02 5.87
DEGREE DAYS
HEATING
YESTERDAY 40 44 -4 28
MONTH TO DATE 845 1255 -410 1076
SINCE DEC 1 845 1255 -410 1076
SINCE JUL 1 2337 3209 -872 2714
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 442 320 122 445
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 16.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 70 12:00 AM
LOWEST 29 3:00 PM
AVERAGE 50
......................................................
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 29 52 1980
MINIMUM TEMPERATURE (F) 13 -22 1978
SUNRISE AND SUNSET
DECEMBER 30 2025......SUNRISE 7:43 AM MST SUNSET 4:55 PM MST
DECEMBER 31 2025......SUNRISE 7:43 AM MST SUNSET 4:56 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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