390
CDUS45 KRIW 260735
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
135 AM MDT TUE SEP 26 2023
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR SEPTEMBER 25 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 65 3:19 PM 74 2015 56 9 65
MINIMUM 29 6:39 AM 20 2000 28 1 29
2018
AVERAGE 47 42 5 47
PRECIPITATION (IN)
YESTERDAY 0.00 0.39 2013 0.05 -0.05 0.00
MONTH TO DATE 3.62 1.29 2.33 1.50
SINCE SEP 1 3.62 1.29 2.33 1.50
SINCE JAN 1 21.65 16.55 5.10 19.51
DEGREE DAYS
HEATING
YESTERDAY 18 23 -5 18
MONTH TO DATE 398 468 -70 367
SINCE SEP 1 398 468 -70 367
SINCE JUL 1 931 1110 -179 811
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 8 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 1.0
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 96 1:00 AM
LOWEST 29 2:00 PM
AVERAGE 63
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 73 2010
2015
MINIMUM TEMPERATURE (F) 28 20 2018
SUNRISE AND SUNSET
SEPTEMBER 26 2023.....SUNRISE 7:13 AM MDT SUNSET 7:12 PM MDT
SEPTEMBER 27 2023.....SUNRISE 7:15 AM MDT SUNSET 7:10 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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