Climatological Report (Daily)
Issued by NWS
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711
CDUS45 KRIW 130732
CLIRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
132 AM MDT SUN SEP 13 2026
...................................
...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR SEPTEMBER 12 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 83 3:35 PM 88 1990 72 11 71
MINIMUM 47 6:31 AM 21 2014 45 2 45
AVERAGE 65 59 6
PRECIPITATION (IN)
YESTERDAY 0.00 0.43 1994 0.02 -0.02 T
MONTH TO DATE 0.02 0.27 -0.25 0.08
SINCE SEP 1 0.02 0.27 -0.25 0.08
SINCE JAN 1 3.07 5.51 -2.44 3.02
DEGREE DAYS
HEATING
YESTERDAY 0 6 -6 7
MONTH TO DATE 10 58 -48 16
SINCE SEP 1 10 58 -48 16
SINCE JUL 1 24 117 -93 34
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 15 8 7 19
SINCE SEP 1 15 8 7 19
SINCE JAN 1 552 317 235 441
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 8.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 59 6:00 AM
LOWEST 15 1:00 PM
AVERAGE 37
..........................................................
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 86 1990
MINIMUM TEMPERATURE (F) 45 26 1970
SUNRISE AND SUNSET
SEPTEMBER 13 2026.....SUNRISE 6:55 AM MDT SUNSET 7:29 PM MDT
SEPTEMBER 14 2026.....SUNRISE 6:56 AM MDT SUNSET 7:27 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$