Climatological Report (Daily)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
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CDUS45 KRIW 090731
CLIRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT THU OCT 09 2025
...................................
...THE RIVERTON WY CLIMATE SUMMARY FOR OCTOBER 8 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1995 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 68 4:24 PM 80 2020 62 6 75
MINIMUM 33 6:14 AM 19 2000 35 -2 46
AVERAGE 51 48 3 61
PRECIPITATION (IN)
YESTERDAY 0.00 0.21 0.03 -0.03 0.00
MONTH TO DATE 0.99 0.30 0.69 0.00
SINCE SEP 1 1.98 1.07 0.91 0.07
SINCE JAN 1 8.23 7.43 0.80 5.50
SNOWFALL (IN)
YESTERDAY 0.0 0.7 2009 0.0
MONTH TO DATE T 0.0
SINCE SEP 1 T 0.0
SINCE JUL 1 T 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 14 17 -3 4
MONTH TO DATE 105 120 -15 49
SINCE SEP 1 202 325 -123 135
SINCE JUL 1 205 361 -156 153
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 1
SINCE SEP 1 37 31 6 68
SINCE JAN 1 611 499 112 610
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 5.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 5:00 AM
LOWEST 31 4:00 PM
AVERAGE 64
..........................................................
THE RIVERTON WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 62 82 2003
MINIMUM TEMPERATURE (F) 34 13 2009
SUNRISE AND SUNSET
OCTOBER 9 2025.......SUNRISE 7:21 AM MDT SUNSET 6:40 PM MDT
OCTOBER 10 2025.......SUNRISE 7:22 AM MDT SUNSET 6:39 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$