Climatological Report (Monthly) Issued by NWS
000
CXUS55 KRIW 020005
CLMRKS
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
533 PM MDT MON MAY 01 2023
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR ROCK SPRINGS FOR THE
MONTH OF APRIL 2023...
...OFFICIAL CLIMATE DATA FOR THE MONTH OF APRIL 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 COLDER AND MUCH DRIER THAN NORMAL IN APRIL...
THE AVERAGE TEMPERATURE FOR ROCK SPRINGS IN APRIL WAS 36.1 DEGREES
WHICH WAS 5.1 DEGREES BELOW NORMAL. THE WARMEST READING FOR THE
MONTH WAS 72 DEGREES ON THE 30TH. THE COLDEST TEMPERATURE WAS 11
DEGREES ON THE 5TH AND THE 7TH. THE 5TH TIED THE 1955 RECORD. THE
6TH HAD A LOW OF 12 WHICH BROKE THE 1997 RECORD OF 13.
PRECIPITATION FOR THE MONTH WAS 0.16 INCHES...WHICH WAS JUST 18
PERCENT OF NORMAL. THE WETTEST 24-HOUR PERIOD WAS THE 2ND-3RD WITH
0.10 INCHES. NO PRECIPITATION RECORDS WERE BROKEN THIS MONTH. THE
HIGHEST WIND GUST WAS 63 MPH FROM THE WEST ON THE 18TH.
...THE ROCK SPRINGS WY CLIMATE SUMMARY FOR THE MONTH OF APRIL 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 79 04/23/2012
04/29/2007
04/20/1989
LOW 2 04/02/1975
HIGHEST 72 04/30
LOWEST 11 04/05
04/07
AVG. MAXIMUM 47.4 52.8 -5.4
AVG. MINIMUM 24.9 29.7 -4.8
MEAN 36.1 41.2 -5.1
DAYS MAX >= 90 0
DAYS MAX <= 32 4
DAYS MIN <= 32 25
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 2.74 1999
MINIMUM T 2013
TOTALS 0.16 0.91 -0.75 0.39
DAILY AVG. 0.01 0.03 -0.02
DAYS >= .01 5
DAYS >= .10 0
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.10 04/02 TO 04/03
STORM TOTAL 0.06
SNOWFALL (INCHES)
TOTALS MM 8.8 MM
SINCE 7/1 MM 50.9 MM
SNOWDEPTH AVG. MM
DAYS >= 1.0 MM
DEGREE DAYS
HEATING TOTAL 860 712 148
SINCE 7/1 7987 7463 524
COOLING TOTAL 0 0 0
SINCE 1/1 0 0 0
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 12.1
RESULTANT WIND SPEED/DIRECTION 7/260
HIGHEST WIND SPEED/DIRECTION 46/040 DATE 04/04
HIGHEST GUST SPEED/DIRECTION 63/280 DATE 04/18
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.32
NUMBER OF DAYS FAIR 17
NUMBER OF DAYS PC 7
NUMBER OF DAYS CLOUDY 6
AVERAGE RH (PERCENT) 62
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 1
LIGHT RAIN 3 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 3 SNOW 6
LIGHT SNOW 10 SLEET 0
FOG 13 FOG W/VIS <= 1/4 MILE 3
HAZE 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
LOOKING AHEAD TO MAY 2023...THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 57 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 33 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 69
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 43. THE AVERAGE MONTHLY
PRECIPITATION IS 1.27 INCHES.
$$