442
CDUS45 KRIW 150729
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
129 AM MDT FRI SEP 15 2023
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR SEPTEMBER 14 2023
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 61 4:02 PM 74 2020 62 -1 56
MINIMUM 31 6:38 AM 22 2003 31 0 37
AVERAGE 46 46 0 47
PRECIPITATION (IN)
YESTERDAY 0.00 0.63 2017 0.05 -0.05 0.26
MONTH TO DATE 1.88 0.70 1.18 0.41
SINCE SEP 1 1.88 0.70 1.18 0.41
SINCE JAN 1 19.91 15.96 3.95 18.42
DEGREE DAYS
HEATING
YESTERDAY 19 19 0 18
MONTH TO DATE 211 237 -26 154
SINCE SEP 1 211 237 -26 154
SINCE JUL 1 744 879 -135 598
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 1.1
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 2:00 AM
LOWEST 29 4:00 PM
AVERAGE 65
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THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 78 2000
MINIMUM TEMPERATURE (F) 31 26 2003
2004
2005
SUNRISE AND SUNSET
SEPTEMBER 15 2023.....SUNRISE 7:00 AM MDT SUNSET 7:32 PM MDT
SEPTEMBER 16 2023.....SUNRISE 7:02 AM MDT SUNSET 7:31 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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