384
CDUS45 KRIW 150735
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
135 AM MDT WED OCT 15 2025
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR OCTOBER 14 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 49 3:21 PM 67 2024 46 3 67
MINIMUM 29 12:19 AM 1 2018 23 6 26
AVERAGE 39 34 5 47
PRECIPITATION (IN)
YESTERDAY 0.08 0.49 2016 0.06 0.02 0.00
MONTH TO DATE 1.96 0.79 1.17 0.00
SINCE SEP 1 3.42 2.36 1.06 1.43
SINCE JAN 1 15.13 17.62 -2.49 16.62
DEGREE DAYS
HEATING
YESTERDAY 26 31 -5 18
MONTH TO DATE 350 390 -40 272
SINCE SEP 1 834 978 -144 751
SINCE JUL 1 1350 1620 -270 1328
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 (280)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 1.0
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 12:00 AM
LOWEST 58 12:00 PM
AVERAGE 79
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 46 65 2024
MINIMUM TEMPERATURE (F) 22 3 2018
SUNRISE AND SUNSET
OCTOBER 15 2025.......SUNRISE 7:37 AM MDT SUNSET 6:37 PM MDT
OCTOBER 16 2025.......SUNRISE 7:39 AM MDT SUNSET 6:35 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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