Climatological Report (Monthly) Issued by NWS
000
CXUS55 KRIW 021621
CLMLND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1021 AM MDT MON OCT 02 2023
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...THE LANDER WY CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2023...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1891 TO 2023
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 99 09/04/2022
LOW 7 09/22/1895
HIGHEST 88 09/01
LOWEST 36 09/23
AVG. MAXIMUM 77.4 74.6 2.8
AVG. MINIMUM 47.6 44.6 3.0
MEAN 62.5 59.6 2.9
DAYS MAX >= 90 0
DAYS MAX <= 32 0
DAYS MIN <= 32 0
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 5.64 1923
MINIMUM T 2010
TOTALS 0.56 0.98 -0.42 1.50
DAILY AVG. 0.02 0.03 -0.01
DAYS >= .01 7
DAYS >= .10 1
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.44 09/04 TO 09/05
STORM TOTAL 0.42
SNOWFALL (INCHES)
TOTALS 0.0 1.5 -1.5
SINCE 7/1 0.0 1.5 -1.5
SNOWDEPTH AVG. 0
DAYS >= 1.0 0
DEGREE DAYS
HEATING TOTAL 96 195 -99
SINCE 7/1 142 233 -91
COOLING TOTAL 29 32 -3
SINCE 1/1 361 484 -123
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WIND (MPH)
AVERAGE WIND SPEED 6.4
RESULTANT WIND SPEED/DIRECTION 2/240
HIGHEST WIND SPEED/DIRECTION 40/200 DATE 09/13
HIGHEST GUST SPEED/DIRECTION 62/210 DATE 09/13
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.18
NUMBER OF DAYS FAIR 24
NUMBER OF DAYS PC 4
NUMBER OF DAYS CLOUDY 2
AVERAGE RH (PERCENT) 45
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 5 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 1
LIGHT RAIN 10 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 3 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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