972
CDUS45 KRIW 200730
CLIRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT MON APR 20 2026
...............................
..THE ROCK SPRINGS WY CLIMATE SUMMARY FOR APRIL 19 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 65 4:20 PM 75 1989 54 11 46
MINIMUM 29 6:16 AM 7 1966 30 -1 15
AVERAGE 47 42 5
PRECIPITATION (IN)
YESTERDAY 0.00 0.81 1993 0.03 -0.03 0.00
MONTH TO DATE 0.41 0.53 -0.12 0.26
SINCE MAR 1 1.10 1.11 -0.01 1.49
SINCE JAN 1 1.26 1.86 -0.60 1.75
DEGREE DAYS
HEATING
YESTERDAY 18 23 -5 34
MONTH TO DATE 414 475 -61 355
SINCE MAR 1 1024 1436 -412 1229
SINCE JUL 1 5406 7226 -1820 6450
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 18 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 5.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 45 7:00 AM
LOWEST 8 2:00 PM
AVERAGE 27
......................................................
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 54 79 1989
MINIMUM TEMPERATURE (F) 30 6 1966
SUNRISE AND SUNSET
APRIL 20 2026.........SUNRISE 6:28 AM MDT SUNSET 8:03 PM MDT
APRIL 21 2026.........SUNRISE 6:27 AM MDT SUNSET 8:04 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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