Climatological Report (Monthly)
Issued by NWS Riverton, WY
Issued by NWS Riverton, WY
471
CXUS55 KRIW 031517
CLMRIW
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
853 AM MDT THU APR 03 2025
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR RIVERTON FOR THE MONTH OF
MARCH 2025...
...OFFICIAL CLIMATE DATA FOR THE MONTH OF MARCH 2025 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
...RIVERTON WAS WARMER AND WETTER THAN NORMAL IN MARCH....
THE AVERAGE TEMPERATURE FOR RIVERTON IN MARCH WAS 37.6 DEGREES WHICH
WAS 2 DEGREES ABOVE NORMAL. IT WAS THE 8TH WARMEST MARCH SINCE
RECORDS BEGAN IN 1996. THE WARMEST READING FOR THE MONTH WAS 73
DEGREES ON THE 27TH. THIS BROKE THE 2015 RECORD OF 72. THE COLDEST
READING WAS 6 DEGREES ON THE 8TH.
PRECIPITATION FOR THE MONTH WAS 1.72 INCHES...WHICH IS 265 PERCENT
OF NORMAL. IT WAS THE 3RD WETTEST MARCH ON RECORD. THE WETTEST 24-
HOURS WAS THE 6TH-7TH WHEN 0.92 INCHES FELL. THE 6TH HAD 0.88 INCHES
AND BROKE THE 2022 RECORD OF 0.17. THE 14TH HAD 0.16 INCHES AND
BROKE 0.13 FROM 2021;
SNOWFALL FOR THE MONTH WAS 13.3 INCHES. IT WAS THE 2ND SNOWIEST
MARCH ON RECORD. 2016 HOLDS THE MONTHLY RECORD AT 21.5 INCHES. THE
SNOWIEST DAY WAS THE 6TH WITH 7.3 INCHES. THIS BROKE THE 1998 RECORD
OF 3.8 INCHES. THE HIGHEST WIND GUST WAS 59 MPH FROM THE NORTHWEST
AND OCCURRED ON THE 24TH.
...THE RIVERTON WY CLIMATE SUMMARY FOR THE MONTH OF MARCH 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1995 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 76 03/31/2012
LOW -13 03/10/2022
03/10/2022
HIGHEST 73 03/27
LOWEST 6 03/08
AVG. MAXIMUM 49.9 48.5 1.4
AVG. MINIMUM 25.4 22.7 2.7
MEAN 37.6 35.6 2.0
DAYS MAX >= 90 0
DAYS MAX <= 32 2
DAYS MIN <= 32 25
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 3.71 2017
MINIMUM T 2004
TOTALS 1.72 0.65 1.07 0.46
DAILY AVG. 0.06 0.02 0.04
DAYS >= .01 9
DAYS >= .10 5
DAYS >= .50 1
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.92 03/06 TO 03/07
STORM TOTAL 0.88
SNOWFALL (INCHES)
TOTALS 13.3 MM MM
SINCE 7/1 25.8 MM MM
SNOWDEPTH AVG. 1
DAYS >= 1.0 4
DEGREE DAYS
HEATING TOTAL 840 912 -72
SINCE 7/1 6187 6790 -603
COOLING TOTAL 0 0 0
SINCE 1/1 0 0 0
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 9.5
RESULTANT WIND SPEED/DIRECTION 4/290
HIGHEST WIND SPEED/DIRECTION 45/300 DATE 03/24
HIGHEST GUST SPEED/DIRECTION 59/300 DATE 03/24
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.26
NUMBER OF DAYS FAIR 22
NUMBER OF DAYS PC 6
NUMBER OF DAYS CLOUDY 3
AVERAGE RH (PERCENT) 56
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 3 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 1 SNOW 6
LIGHT SNOW 8 SLEET 0
FOG 9 FOG W/VIS <= 1/4 MILE 5
HAZE 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
LOOKING AHEAD TO APRIL 2025. THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 54 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 27 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 61
DEGREES AND THE AVERAGE LOW TEMPERATURE IS 34. THE AVERAGE MONTHLY
PRECIPITATION IS 1.20 INCHES.
$$