688
CDUS45 KRIW 220045
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
645 PM MDT WED OCT 21 2026
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR OCTOBER 21 2026
VALID TODAY AS OF 0600 PM LOCAL TIME.
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)
TODAY
MAXIMUM 66 4:07 PM 78 2003 55 11 59
MINIMUM 39 7:16 AM 15 1996 29 10 32
AVERAGE 53 42 11 46
PRECIPITATION (IN)
TODAY 0.00 0.16 2006 0.02 -0.02 0.00
MONTH TO DATE 0.43 0.67 -0.24 1.43
SINCE SEP 1 1.98 1.44 0.54 2.42
SINCE JAN 1 4.95 7.80 -2.85 8.67
SNOWFALL (IN)
TODAY MM 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
TODAY 12 23 -11 19
MONTH TO DATE 220 379 -159 320
SINCE SEP 1 305 584 -279 417
SINCE JUL 1 307 620 -313 420
COOLING
TODAY 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 10 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 4.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86
LOWEST 38
AVERAGE 62
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 55 73 2003
MINIMUM TEMPERATURE (F) 29 18 2006
2020
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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