029
CDUS45 KRIW 090731
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
131 AM MDT THU OCT 09 2025
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR OCTOBER 8 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 58 2:26 PM 65 2020 49 9 65
2024
MINIMUM 25 7:02 AM 7 2009 25 0 26
AVERAGE 42 37 5 46
PRECIPITATION (IN)
YESTERDAY 0.00 0.10 2009 0.06 -0.06 0.00
MONTH TO DATE 0.96 0.44 0.52 0.00
SINCE SEP 1 2.42 2.01 0.41 1.43
SINCE JAN 1 14.13 17.27 -3.14 16.62
DEGREE DAYS
HEATING
YESTERDAY 23 28 -5 19
MONTH TO DATE 196 213 -17 162
SINCE SEP 1 680 801 -121 641
SINCE JUL 1 1196 1443 -247 1218
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 10 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 2.1
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 100 5:00 AM
LOWEST 25 3:00 PM
AVERAGE 63
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 49 66 2024
MINIMUM TEMPERATURE (F) 24 3 2009
SUNRISE AND SUNSET
OCTOBER 9 2025.......SUNRISE 7:30 AM MDT SUNSET 6:47 PM MDT
OCTOBER 10 2025.......SUNRISE 7:31 AM MDT SUNSET 6:45 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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