696
CDUS45 KRIW 190732
CLIRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
132 AM MDT TUE MAY 19 2026
...............................
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR MAY 18 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 4:42 PM 83 1970 64 -27 55
MINIMUM 27R 8:24 AM 28 1971 39 -12 38
2017
AVERAGE 32 52 -20
PRECIPITATION (IN)
YESTERDAY 0.01 0.48 2015 0.05 -0.04 0.08
MONTH TO DATE 0.14 0.76 -0.62 0.31
SINCE MAR 1 1.42 2.25 -0.83 2.02
SINCE JAN 1 1.58 3.00 -1.42 2.28
DEGREE DAYS
HEATING
YESTERDAY 33 13 20 18
MONTH TO DATE 255 298 -43 238
SINCE MAR 1 1517 1971 -454 1669
SINCE JUL 1 5899 7761 -1862 6890
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 2 0 2 1
SINCE MAR 1 2 0 2 1
SINCE JAN 1 2 0 2 1
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 47 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 65 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 20.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY SNOW
SNOW
LIGHT SNOW
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 69 5:00 PM
AVERAGE 85
......................................................
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 86 1954
MINIMUM TEMPERATURE (F) 40 25 2003
SUNRISE AND SUNSET
MAY 19 2026...........SUNRISE 5:53 AM MDT SUNSET 8:33 PM MDT
MAY 20 2026...........SUNRISE 5:52 AM MDT SUNSET 8:34 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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