Climatological Report (Monthly) Issued by NWS
000
CXUS55 KRIW 012333
CLMP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
533 PM MDT MON MAY 01 2023
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...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR THE MONTH OF APRIL 2023...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2023
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 65 04/29/2007
LOW -18 04/13/2022
HIGHEST 59 04/29
LOWEST -14 04/05
AVG. MAXIMUM 39.3 40.9 -1.6
AVG. MINIMUM 10.0 16.6 -6.6
MEAN 24.6 28.7 -4.1
DAYS MAX >= 90 0
DAYS MAX <= 32 10
DAYS MIN <= 32 30
DAYS MIN <= 0 9
PRECIPITATION (INCHES)
RECORD
MAXIMUM 4.59 2011
MINIMUM 0.76 2008
TOTALS 1.90 2.28 -0.38 3.50
DAILY AVG. 0.06 0.08 -0.02
DAYS >= .01 14
DAYS >= .10 7
DAYS >= .50 1
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.62 04/12 TO 04/13
STORM TOTAL 0.55
DEGREE DAYS
HEATING TOTAL 1203 1088 115
SINCE 7/1 10766 10651 115
COOLING TOTAL 0 0 0
SINCE 1/1 0 0 0
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WIND (MPH)
AVERAGE WIND SPEED 2.7
RESULTANT WIND SPEED/DIRECTION 0/260
HIGHEST WIND SPEED/DIRECTION 22/280 DATE 04/01
HIGHEST GUST SPEED/DIRECTION 38/300 DATE 04/01
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.00
NUMBER OF DAYS FAIR 30
NUMBER OF DAYS PC 0
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 67
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 2 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 3
LIGHT SNOW 8 SLEET 0
FOG 0 FOG W/VIS <= 1/4 MILE 0
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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