Climatological Report (Monthly) Issued by NWS
000
CXUS55 KRIW 111907
CLMRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1252 PM MDT SUN JUN 11 2023
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR ROCK SPRINGS FOR THE
MONTH OF MAY 2023...
...OFFICIAL CLIMATE DATA FOR THE MONTH OF MAY 2023 WILL BE AVAILABLE
IN APPROXIMATELY 60 DAYS FROM THE NATIONAL CENTERS FOR ENVIRONMENTAL
INFORMATION (HTTP://WWW.NCDC.NOAA.GOV/CDO-WEB/DATASETS). UNOFFICIAL
ASOS DAILY SUMMARIES ARE AVAILABLE ON THE INTERNET AT
HTTP://WWW.WEATHER.GOV/CLIMATE/INDEX.PHP?WFO=RIW
...ROCK SPRINGS WAS WARMER AND DRIER THAN NORMAL IN MAY...
THE AVERAGE TEMPERATURE FOR ROCK SPRINGS IN MAY WAS 54.3 DEGREES
WHICH WAS 3.5 DEGREES ABOVE NORMAL. THE WARMEST READING FOR THE
MONTH WAS 77 DEGREES ON THE 21ST. THE 1ST HAD A HIGH OF 76 DEGREES
WHICH BROKE THE 1985 RECORD OF 75. THE COLDEST TEMPERATURE WAS 31
DEGREES ON THE 7TH.
PRECIPITATION FOR THE MONTH WAS 0.58 INCHES...WHICH WAS JUST 46
PERCENT OF NORMAL. THE WETTEST 24-HOUR PERIOD WAS THE 22ND WITH 0.14
INCHES. NO PRECIPITATION RECORDS WERE BROKEN THIS MONTH. THE HIGHEST
WIND GUST WAS 52 MPH FROM THE NORTHWEST ON THE 26TH.
...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR THE MONTH OF MAY 2023...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1948 TO 2023
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 77 05/21
LOWEST 31 05/07
AVG. MAXIMUM 67.4 63.2 4.2
AVG. MINIMUM 41.2 38.4 2.8
MEAN 54.3 50.8 3.5
DAYS MAX >= 90 0
DAYS MAX <= 32 0
DAYS MIN <= 32 2
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 3.67 1995
MINIMUM 0.00 1974
TOTALS 0.58 1.27 -0.69 0.73
DAILY AVG. 0.02 0.04 -0.02
DAYS >= .01 12
DAYS >= .10 2
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.14 05/22 TO 05/22
STORM TOTAL 0.14
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 322 442 -120
SINCE 7/1 8309 7905 404
COOLING TOTAL 0 2 -2
SINCE 1/1 0 2 -2
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 9.5
RESULTANT WIND SPEED/DIRECTION 1/090
HIGHEST WIND SPEED/DIRECTION 39/290 DATE 05/26
39/190 05/30
HIGHEST GUST SPEED/DIRECTION 52/300 DATE 05/26
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.35
NUMBER OF DAYS FAIR 19
NUMBER OF DAYS PC 10
NUMBER OF DAYS CLOUDY 2
AVERAGE RH (PERCENT) 54
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 10 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 1
LIGHT RAIN 17 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 1
LIGHT SNOW 1 SLEET 0
FOG 6 FOG W/VIS <= 1/4 MILE 2
HAZE 3
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
LOOKING AHEAD TO JUNE 2023...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 70 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 43 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 81
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 51. THE AVERAGE MONTHLY
PRECIPITATION IS 0.70 INCHES
$$