144
CDUS45 KRIW 140732
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
132 AM MDT FRI AUG 14 2026
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR AUGUST 13 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 63 12:01 PM 83 2003 72 -9 80
MINIMUM 40 6:16 AM 30 2002 38 2 42
2006
AVERAGE 52 55 -3 61
PRECIPITATION (IN)
YESTERDAY 0.44 0.78 2022 0.04 0.40 0.03
MONTH TO DATE 0.47 0.55 -0.08 0.05
SINCE JUN 1 3.43 4.44 -1.01 1.44
SINCE JAN 1 11.67 14.47 -2.80 10.67
DEGREE DAYS
HEATING
YESTERDAY 13 10 3 4
MONTH TO DATE 89 120 -31 127
SINCE JUN 1 719 954 -235 800
SINCE JUL 1 205 416 -211 358
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 2 0 2 1
SINCE JAN 1 2 0 2 1
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (320)
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 97 11:00 PM
LOWEST 54 12:00 PM
AVERAGE 76
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THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 84 2003
MINIMUM TEMPERATURE (F) 38 29 2005
SUNRISE AND SUNSET
AUGUST 14 2026........SUNRISE 6:23 AM MDT SUNSET 8:28 PM MDT
AUGUST 15 2026........SUNRISE 6:25 AM MDT SUNSET 8:27 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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