Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS45 KRIW 110728
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
128 AM MDT SAT OCT 11 2025
...................................
...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR OCTOBER 10 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 61 4:13 PM 67 2015 48 13 64
MINIMUM 31 3:31 AM -6 2009 24 7 31
AVERAGE 46 36 10 48
PRECIPITATION (IN)
YESTERDAY 0.00 0.59 2003 0.06 -0.06 0.00
MONTH TO DATE 0.96 0.55 0.41 0.00
SINCE SEP 1 2.42 2.12 0.30 1.43
SINCE JAN 1 14.13 17.38 -3.25 16.62
DEGREE DAYS
HEATING
YESTERDAY 19 29 -10 17
MONTH TO DATE 234 270 -36 197
SINCE SEP 1 718 858 -140 676
SINCE JUL 1 1234 1500 -266 1253
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JAN 1 1 0 1 0
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 0.7
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 11:00 PM
LOWEST 42 4:00 PM
AVERAGE 69
..........................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 48 64 2024
MINIMUM TEMPERATURE (F) 24 -1 2019
SUNRISE AND SUNSET
OCTOBER 11 2025.......SUNRISE 7:32 AM MDT SUNSET 6:43 PM MDT
OCTOBER 12 2025.......SUNRISE 7:34 AM MDT SUNSET 6:42 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$