375
CDUS45 KRIW 090732
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
132 AM MDT FRI OCT 09 2026
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR OCTOBER 8 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 68R 3:01 PM 65 2020 49 19 58
2024
MINIMUM 27 6:40 AM 7 2009 25 2 25
AVERAGE 48 37 11 42
PRECIPITATION (IN)
YESTERDAY 0.00 0.10 2009 0.06 -0.06 0.00
MONTH TO DATE 0.00 0.44 -0.44 0.96
SINCE SEP 1 1.71 2.01 -0.30 2.42
SINCE JAN 1 15.63 17.27 -1.64 14.13
DEGREE DAYS
HEATING
YESTERDAY 17 28 -11 23
MONTH TO DATE 130 213 -83 196
SINCE SEP 1 637 801 -164 680
SINCE JUL 1 1005 1443 -438 1196
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 13 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (300)
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 88 5:00 AM
LOWEST 14 2:00 PM
AVERAGE 51
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 49 66 2024
MINIMUM TEMPERATURE (F) 24 3 2009
SUNRISE AND SUNSET
OCTOBER 9 2026.......SUNRISE 7:29 AM MDT SUNSET 6:47 PM MDT
OCTOBER 10 2026.......SUNRISE 7:31 AM MDT SUNSET 6:46 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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