Climatological Report (Daily)
Issued by NWS
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CDUS45 KRIW 010732
CLIRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
132 AM MDT THU OCT 01 2026
...................................
...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR SEPTEMBER 30 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 73 3:11 PM 80 1980 64 9 71
MINIMUM 41 7:02 AM 15 1985 39 2 46
AVERAGE 57 51 6
PRECIPITATION (IN)
YESTERDAY 0.00 0.34 1971 0.03 -0.03 0.05
MONTH TO DATE 0.31 0.79 -0.48 0.54
SINCE SEP 1 0.31 0.79 -0.48 0.54
SINCE JAN 1 3.36 6.03 -2.67 3.48
DEGREE DAYS
HEATING
YESTERDAY 8 14 -6 6
MONTH TO DATE 133 242 -109 163
SINCE SEP 1 133 242 -109 163
SINCE JUL 1 147 301 -154 181
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 21 11 10 19
SINCE SEP 1 21 11 10 19
SINCE JAN 1 558 320 238 441
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 4.9
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 68 7:00 AM
LOWEST 22 3:00 PM
AVERAGE 45
..........................................................
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 79 1957
MINIMUM TEMPERATURE (F) 38 23 1985
SUNRISE AND SUNSET
OCTOBER 1 2026.......SUNRISE 7:13 AM MDT SUNSET 6:58 PM MDT
OCTOBER 2 2026.......SUNRISE 7:14 AM MDT SUNSET 6:56 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$