244
CDUS45 KRIW 300727
CLIRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT THU APR 30 2026
...............................
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR APRIL 29 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 52 1:32 PM 79 2007 57 -5 60
MINIMUM 29 5:30 AM 17 1950 33 -4 29
AVERAGE 41 45 -4
PRECIPITATION (IN)
YESTERDAY T 0.60 1978 0.03 -0.03 0.00
MONTH TO DATE 0.58 0.87 -0.29 0.34
SINCE MAR 1 1.27 1.45 -0.18 1.57
SINCE JAN 1 1.43 2.20 -0.77 1.83
DEGREE DAYS
HEATING
YESTERDAY 24 20 4 20
MONTH TO DATE 627 692 -65 541
SINCE MAR 1 1237 1653 -416 1415
SINCE JUL 1 5619 7443 -1824 6636
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 7.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 11:00 PM
LOWEST 23 2:00 PM
AVERAGE 53
......................................................
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 78 2021
MINIMUM TEMPERATURE (F) 33 15 1967
SUNRISE AND SUNSET
APRIL 30 2026.........SUNRISE 6:14 AM MDT SUNSET 8:13 PM MDT
MAY 1 2026...........SUNRISE 6:13 AM MDT SUNSET 8:14 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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