574
CDUS45 KRIW 180741
CLIP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
141 AM MDT THU MAY 18 2023
...............................
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR MAY 17 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 54 2:16 PM 69 2007 51 3 57
MINIMUM 29 3:42 AM 18 1999 27 2 31
AVERAGE 42 39 3 44
PRECIPITATION (IN)
YESTERDAY 0.07 0.50 2017 0.07 0.00 0.00
MONTH TO DATE 0.95 1.15 -0.20 2.03
SINCE MAR 1 6.88 5.33 1.55 6.66
SINCE JAN 1 10.09 8.83 1.26 9.12
DEGREE DAYS
HEATING
YESTERDAY 23 26 -3 21
MONTH TO DATE 430 488 -58 515
SINCE MAR 1 3221 2934 287 2962
SINCE JUL 1 11196 11138 58 10670
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 0 0 0
SINCE JAN 1 0 0 0 0
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 0.7
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 5:00 AM
LOWEST 54 2:00 PM
AVERAGE 75
......................................................
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 51 69 2007
2009
MINIMUM TEMPERATURE (F) 27 20 2003
2011
SUNRISE AND SUNSET
MAY 18 2023...........SUNRISE 5:51 AM MDT SUNSET 8:46 PM MDT
MAY 19 2023...........SUNRISE 5:50 AM MDT SUNSET 8:47 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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