Climatological Report (Daily)
Issued by NWS
Issued by NWS
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825
CDUS45 KRIW 100727
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT FRI OCT 10 2025
...................................
...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR OCTOBER 9 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 64 2:34 PM 66 2024 49 15 66
MINIMUM 27 6:42 AM 3 2009 24 3 27
AVERAGE 46 36 10 47
PRECIPITATION (IN)
YESTERDAY 0.00 0.39 2006 0.05 -0.05 0.00
MONTH TO DATE 0.96 0.49 0.47 0.00
SINCE SEP 1 2.42 2.06 0.36 1.43
SINCE JAN 1 14.13 17.32 -3.19 16.62
DEGREE DAYS
HEATING
YESTERDAY 19 28 -9 18
MONTH TO DATE 215 241 -26 180
SINCE SEP 1 699 829 -130 659
SINCE JUL 1 1215 1471 -256 1236
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 S (200)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 1.3
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 3:00 AM
LOWEST 21 3:00 PM
AVERAGE 59
..........................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 48 67 2015
MINIMUM TEMPERATURE (F) 24 -6 2009
SUNRISE AND SUNSET
OCTOBER 10 2025.......SUNRISE 7:31 AM MDT SUNSET 6:45 PM MDT
OCTOBER 11 2025.......SUNRISE 7:32 AM MDT SUNSET 6:43 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$