015
CDUS45 KRIW 220735
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
135 AM MDT FRI SEP 22 2023
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR SEPTEMBER 21 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 55 11:48 AM 69 2001 58 -3 66
2012
MINIMUM 33 11:59 PM 22 2004 29 4 32
2021
AVERAGE 44 44 0 49
PRECIPITATION (IN)
YESTERDAY 1.20R 0.43 2006 0.06 1.14 0.31
MONTH TO DATE 3.48 1.08 2.40 1.14
SINCE SEP 1 3.48 1.08 2.40 1.14
SINCE JAN 1 21.51 16.34 5.17 19.15
DEGREE DAYS
HEATING
YESTERDAY 21 21 0 16
MONTH TO DATE 306 379 -73 283
SINCE SEP 1 306 379 -73 283
SINCE JUL 1 839 1021 -182 727
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 16 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 1.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1:00 AM
LOWEST 61 12:00 PM
AVERAGE 81
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 71 2012
2015
MINIMUM TEMPERATURE (F) 29 19 2000
SUNRISE AND SUNSET
SEPTEMBER 22 2023.....SUNRISE 7:09 AM MDT SUNSET 7:19 PM MDT
SEPTEMBER 23 2023.....SUNRISE 7:10 AM MDT SUNSET 7:17 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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