991
CDUS45 KRIW 210732
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
132 AM MDT WED OCT 21 2026
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR OCTOBER 20 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1995 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 68 3:24 PM 76 2003 56 12 51
MINIMUM 35 6:23 AM 21 1996 30 5 37
AVERAGE 52 43 9 44
PRECIPITATION (IN)
YESTERDAY 0.00 0.20 0.02 -0.02 0.00
MONTH TO DATE 0.43 0.65 -0.22 1.43
SINCE SEP 1 1.98 1.42 0.56 2.42
SINCE JAN 1 4.95 7.78 -2.83 8.67
SNOWFALL (IN)
YESTERDAY 0.0 4.9 1996 0.0
MONTH TO DATE 0.0 T
SINCE SEP 1 0.0 T
SINCE JUL 1 0.0 T
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 13 22 -9 21
MONTH TO DATE 208 356 -148 301
SINCE SEP 1 293 561 -268 398
SINCE JUL 1 295 597 -302 401
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 4 0 4 0
SINCE SEP 1 48 31 17 37
SINCE JAN 1 761 499 262 611
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 6.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 7:00 AM
LOWEST 27 3:00 PM
AVERAGE 55
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THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 55 78 2003
MINIMUM TEMPERATURE (F) 29 15 1996
SUNRISE AND SUNSET
OCTOBER 21 2026.......SUNRISE 7:35 AM MDT SUNSET 6:21 PM MDT
OCTOBER 22 2026.......SUNRISE 7:36 AM MDT SUNSET 6:20 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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