766
CDUS45 KRIW 180728
CLIRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT SAT APR 18 2026
...............................
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR APRIL 17 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 37 3:43 PM 76 1987 53 -16 45
MINIMUM 16 6:05 AM 11 2020 30 -14 21
AVERAGE 27 41 -14
PRECIPITATION (IN)
YESTERDAY 0.00 0.99 1986 0.03 -0.03 0.19
MONTH TO DATE 0.41 0.47 -0.06 0.24
SINCE MAR 1 1.10 1.05 0.05 1.47
SINCE JAN 1 1.26 1.80 -0.54 1.73
DEGREE DAYS
HEATING
YESTERDAY 38 24 14 32
MONTH TO DATE 366 428 -62 282
SINCE MAR 1 976 1389 -413 1156
SINCE JUL 1 5358 7179 -1821 6377
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 32 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 17.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 6:00 AM
LOWEST 33 6:00 PM
AVERAGE 57
......................................................
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 53 73 1981
MINIMUM TEMPERATURE (F) 30 12 1966
2013
SUNRISE AND SUNSET
APRIL 18 2026.........SUNRISE 6:31 AM MDT SUNSET 8:00 PM MDT
APRIL 19 2026.........SUNRISE 6:30 AM MDT SUNSET 8:01 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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