059
CDUS45 KRIW 300732
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
132 AM MDT SAT AUG 30 2025
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR AUGUST 29 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 63 5:42 PM 78 2005 68 -5 66
MINIMUM 35 5:31 AM 26 2024 34 1 26
AVERAGE 49 51 -2 46
PRECIPITATION (IN)
YESTERDAY 0.04 0.13 2003 0.05 -0.01 0.00
MONTH TO DATE 1.09 1.24 -0.15 1.25
SINCE JUN 1 2.48 5.13 -2.65 2.99
SINCE JAN 1 11.71 15.16 -3.45 15.19
DEGREE DAYS
HEATING
YESTERDAY 16 14 2 19
MONTH TO DATE 259 316 -57 293
SINCE JUN 1 932 1150 -218 984
SINCE JUL 1 490 612 -122 555
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 1 0 1 0
SINCE JAN 1 1 0 1 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 3.3
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 100 12:00 AM
LOWEST 39 5:00 PM
AVERAGE 70
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 78 2001
2008
2016
MINIMUM TEMPERATURE (F) 34 27 2005
SUNRISE AND SUNSET
AUGUST 30 2025........SUNRISE 6:42 AM MDT SUNSET 8:01 PM MDT
AUGUST 31 2025........SUNRISE 6:44 AM MDT SUNSET 7:59 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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