Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KRIW 200726
CLIRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
126 AM MDT WED AUG 20 2025
...................................
...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR AUGUST 19 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1948 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 91R 3:32 PM 90 1973 81 10 82
2013
2020
MINIMUM 57 5:59 AM 38 1978 53 4 52
AVERAGE 74 67 7
PRECIPITATION (IN)
YESTERDAY 0.00 0.41 1956 0.02 -0.02 0.01
MONTH TO DATE 0.03 0.34 -0.31 0.70
SINCE JUN 1 0.43 1.51 -1.08 1.21
SINCE JAN 1 2.74 5.02 -2.28 4.08
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 10 10 0 7
SINCE JUN 1 79 190 -111 69
SINCE JUL 1 10 31 -21 14
COOLING
YESTERDAY 9 3 6 2
MONTH TO DATE 96 86 10 103
SINCE JUN 1 378 284 94 375
SINCE JAN 1 382 286 96 375
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 5.6
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 26 6:00 AM
LOWEST 6 3:00 PM
AVERAGE 16
..........................................................
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 90 2003
MINIMUM TEMPERATURE (F) 52 36 1964
2016
SUNRISE AND SUNSET
AUGUST 20 2025........SUNRISE 6:30 AM MDT SUNSET 8:08 PM MDT
AUGUST 21 2025........SUNRISE 6:31 AM MDT SUNSET 8:06 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$