184
CDUS45 KRIW 180728
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT SAT JUL 18 2026
...............................
..THE RIVERTON WY CLIMATE SUMMARY FOR JULY 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 94 5:16 PM 99 2022 89 5 94
MINIMUM 66 4:44 AM 48 1999 57 9 50
AVERAGE 80 73 7 72
PRECIPITATION (IN)
YESTERDAY 0.00 0.42 0.02 -0.02 0.00
MONTH TO DATE 0.06 0.30 -0.24 0.02
SINCE JUN 1 0.31 1.24 -0.93 0.92
SINCE JAN 1 1.74 5.70 -3.96 5.44
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2020 0.0
MONTH TO DATE 0.0 0.0
SINCE JUN 1 0.0 0.0
SINCE JUL 1 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 6 -6 0
SINCE JUN 1 70 121 -51 78
SINCE JUL 1 0 6 -6 0
COOLING
YESTERDAY 15 8 7 7
MONTH TO DATE 196 109 87 139
SINCE JUN 1 252 176 76 255
SINCE JAN 1 275 184 91 261
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WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 8.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 61 5:00 AM
LOWEST 21 5:00 PM
AVERAGE 41
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THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 102 2006
MINIMUM TEMPERATURE (F) 57 49 2005
SUNRISE AND SUNSET
JULY 18 2026..........SUNRISE 5:51 AM MDT SUNSET 8:49 PM MDT
JULY 19 2026..........SUNRISE 5:52 AM MDT SUNSET 8:48 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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