821
CDUS45 KRIW 160821
CLIRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
221 AM MDT THU APR 16 2026
...............................
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR APRIL 15 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 60 1:45 PM 73 1985 53 7 66
MINIMUM 32 5:19 AM 16 1999 29 3 29
AVERAGE 46 41 5
PRECIPITATION (IN)
YESTERDAY 0.00 0.37 1977 0.03 -0.03 0.00
MONTH TO DATE 0.41 0.41 0.00 0.05
SINCE MAR 1 1.10 0.99 0.11 1.28
SINCE JAN 1 1.26 1.74 -0.48 1.54
DEGREE DAYS
HEATING
YESTERDAY 19 24 -5 17
MONTH TO DATE 303 380 -77 236
SINCE MAR 1 913 1341 -428 1110
SINCE JUL 1 5295 7131 -1836 6331
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
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WIND (MPH)
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 14.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 63 2:00 AM
LOWEST 22 2:00 PM
AVERAGE 43
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THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 53 71 1987
MINIMUM TEMPERATURE (F) 30 14 2020
SUNRISE AND SUNSET
APRIL 16 2026.........SUNRISE 6:35 AM MDT SUNSET 7:58 PM MDT
APRIL 17 2026.........SUNRISE 6:33 AM MDT SUNSET 7:59 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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