Climatological Report (Monthly)
Issued by NWS
Issued by NWS
751
CXUS55 KRIW 011519
CLMP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
919 AM MDT WED JUL 01 2026
...................................
...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR THE MONTH OF JUNE 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 83 06/29/2015
LOW 21 06/04/2011
HIGHEST 73 06/06
06/24
LOWEST 27 06/03
06/12
AVG. MAXIMUM 61.6 61.1 0.5
AVG. MINIMUM 33.5 33.0 0.5
MEAN 47.6 47.0 0.6
DAYS MAX >= 90 0
DAYS MAX <= 32 0
DAYS MIN <= 32 14
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 4.34 2010
MINIMUM 0.18 2021
TOTALS 2.11 2.38 -0.27 0.65
DAILY AVG. 0.07 0.08 -0.01
DAYS >= .01 11
DAYS >= .10 7
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.58 06/09 TO 06/10
STORM TOTAL 0.40
DEGREE DAYS
HEATING TOTAL 514 538 -24
SINCE 7/1 10264 12011 -1747
COOLING TOTAL 0 0 0
SINCE 1/1 0 0 0
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WIND (MPH)
AVERAGE WIND SPEED 3.4
RESULTANT WIND SPEED/DIRECTION 0/210
HIGHEST WIND SPEED/DIRECTION 23/270 DATE 06/26
HIGHEST GUST SPEED/DIRECTION 46/280 DATE 06/26
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) 61
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 11 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 4 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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