511
CDUS45 KRIW 080727
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
127 AM MDT THU OCT 08 2026
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR OCTOBER 7 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 69R 3:08 PM 66 2020 50 19 52
MINIMUM 29 6:56 AM 11 2000 25 4 23
AVERAGE 49 37 12 38
PRECIPITATION (IN)
YESTERDAY 0.00 0.37 2006 0.05 -0.05 0.00
MONTH TO DATE 0.00 0.38 -0.38 0.96
SINCE SEP 1 1.71 1.95 -0.24 2.42
SINCE JAN 1 15.63 17.21 -1.58 14.13
DEGREE DAYS
HEATING
YESTERDAY 16 28 -12 27
MONTH TO DATE 113 185 -72 173
SINCE SEP 1 620 773 -153 657
SINCE JUL 1 988 1415 -427 1173
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JAN 1 2 0 2 1
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 2.4
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 92 6:00 AM
LOWEST 13 3:00 PM
AVERAGE 53
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 49 65 2020
2024
MINIMUM TEMPERATURE (F) 25 7 2009
SUNRISE AND SUNSET
OCTOBER 8 2026.......SUNRISE 7:28 AM MDT SUNSET 6:49 PM MDT
OCTOBER 9 2026.......SUNRISE 7:29 AM MDT SUNSET 6:47 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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