185
CDUS45 KRIW 180726
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
126 AM MDT SUN OCT 18 2026
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR OCTOBER 17 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 66 4:22 PM 74 2003 57 9 60
2023
MINIMUM 31 6:02 AM 16 1999 31 0 36
AVERAGE 49 44 5 48
PRECIPITATION (IN)
YESTERDAY 0.00 0.24 0.02 -0.02 0.00
MONTH TO DATE 0.43 0.58 -0.15 1.43
SINCE SEP 1 1.98 1.35 0.63 2.42
SINCE JAN 1 4.95 7.71 -2.76 8.67
SNOWFALL (IN)
YESTERDAY 0.0 1.5 2013 0.0
MONTH TO DATE 0.0 T
SINCE SEP 1 0.0 T
SINCE JUL 1 0.0 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 16 21 -5 17
MONTH TO DATE 164 291 -127 244
SINCE SEP 1 249 496 -247 341
SINCE JUL 1 251 532 -281 344
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 10 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 3.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 4:00 AM
LOWEST 34 3:00 PM
AVERAGE 63
......................................................
THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 57 77 2003
MINIMUM TEMPERATURE (F) 31 22 1996
2012
SUNRISE AND SUNSET
OCTOBER 18 2026.......SUNRISE 7:31 AM MDT SUNSET 6:26 PM MDT
OCTOBER 19 2026.......SUNRISE 7:32 AM MDT SUNSET 6:24 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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