Climatological Report (Daily)
Issued by NWS
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811
CDUS45 KRIW 300730
CLIRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
130 AM MDT THU JUL 30 2026
...................................
...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR JULY 29 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 82 12:23 PM 95 2006 85 -3 86
MINIMUM 57 10:53 PM 42 1971 56 1 50
AVERAGE 70 71 -1
PRECIPITATION (IN)
YESTERDAY 0.04 0.37 1950 0.01 0.03 T
MONTH TO DATE 0.09 0.43 -0.34 0.33
SINCE JUN 1 0.33 1.13 -0.80 0.35
SINCE JAN 1 2.17 4.64 -2.47 2.66
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 4 16 -12 0
SINCE JUN 1 111 175 -64 69
SINCE JUL 1 4 16 -12 0
COOLING
YESTERDAY 5 6 -1 3
MONTH TO DATE 292 147 145 181
SINCE JUN 1 331 186 145 272
SINCE JAN 1 333 188 145 276
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 8.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 3:00 PM
LOWEST 25 1:00 PM
AVERAGE 56
..........................................................
THE ROCK SPRINGS WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 95 1966
MINIMUM TEMPERATURE (F) 56 40 1950
SUNRISE AND SUNSET
JULY 30 2026..........SUNRISE 6:09 AM MDT SUNSET 8:36 PM MDT
JULY 31 2026..........SUNRISE 6:10 AM MDT SUNSET 8:35 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$