Climatological Report (Monthly)
Issued by NWS
Issued by NWS
828
CXUS55 KRIW 021711
CLMRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1111 AM MDT MON JUN 02 2025
...................................
...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR THE MONTH OF MAY 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1948 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 90 05/31/2002
LOW 18 05/07/2010
05/05/2010
05/02/1954
HIGHEST 83 05/31
LOWEST 30 05/06
05/16
AVG. MAXIMUM 67.8 63.2 4.6
AVG. MINIMUM 39.4 38.4 1.0
MEAN 53.6 50.8 2.8
DAYS MAX >= 90 0
DAYS MAX <= 32 0
DAYS MIN <= 32 6
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 3.67 1995
MINIMUM 0.00 1974
TOTALS 0.34 1.27 -0.93 0.80
DAILY AVG. 0.01 0.04 -0.03
DAYS >= .01 9
DAYS >= .10 0
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.11 05/05 TO 05/06
STORM TOTAL 0.08
SNOWFALL (INCHES)
TOTALS MM 2.7 MM
SINCE 7/1 MM 53.6 MM
SNOWDEPTH AVG. MM
DAYS >= 1.0 MM
DEGREE DAYS
HEATING TOTAL 350 442 -92
SINCE 7/1 7002 7905 -903
COOLING TOTAL 4 2 2
SINCE 1/1 4 2 2
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WIND (MPH)
AVERAGE WIND SPEED 11.5
RESULTANT WIND SPEED/DIRECTION 5/250
HIGHEST WIND SPEED/DIRECTION 48/260 DATE 05/13
HIGHEST GUST SPEED/DIRECTION 60/260 DATE 05/13
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.30
NUMBER OF DAYS FAIR 17
NUMBER OF DAYS PC 12
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 46
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 8 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 16 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 1 SLEET 0
FOG 2 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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