902
CDUS45 KRIW 040726
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
126 AM MDT THU SEP 04 2025
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR SEPTEMBER 3 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 78 4:01 PM 80 2022 66 12 67
MINIMUM 36 6:25 AM 27 2010 33 3 47
AVERAGE 57 49 8 57
PRECIPITATION (IN)
YESTERDAY 0.00 0.84 2023 0.05 -0.05 0.14
MONTH TO DATE 0.00 0.14 -0.14 0.14
SINCE SEP 1 0.00 0.14 -0.14 0.14
SINCE JAN 1 11.71 15.40 -3.69 15.33
DEGREE DAYS
HEATING
YESTERDAY 8 16 -8 8
MONTH TO DATE 27 46 -19 23
SINCE SEP 1 27 46 -19 23
SINCE JUL 1 543 688 -145 600
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 12 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 1.4
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 68 11:00 PM
LOWEST 18 5:00 PM
AVERAGE 43
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 81 2022
MINIMUM TEMPERATURE (F) 33 27 2011
2014
SUNRISE AND SUNSET
SEPTEMBER 4 2025.....SUNRISE 6:48 AM MDT SUNSET 7:52 PM MDT
SEPTEMBER 5 2025.....SUNRISE 6:49 AM MDT SUNSET 7:50 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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