Climatological Report (Monthly)
Issued by NWS
Issued by NWS
831
CXUS55 KRIW 031516
CLMLND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
853 AM MDT THU APR 03 2025
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR LANDER 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
...LANDER WAS WARMER AND WETTER THAN NORMAL IN MARCH....
THE AVERAGE TEMPERATURE FOR LANDER IN MARCH WAS 37.9 DEGREES WHICH
WAS 1.9 DEGREES ABOVE NORMAL. THE WARMEST READING FOR THE MONTH WAS
75 DEGREES ON THE 27TH. THIS BROKE 74 DEGREES FROM 2015. THE COLDEST
TEMPERATURE WAS 7 DEGREES ON THE 8TH.
PRECIPITATION FOR THE MONTH WAS 3.03 INCHES...WHICH IS 235 PERCENT
OF NORMAL. IT WAS THE 5TH WETTEST MARCH ON RECORD. THE WETTEST 24-
HOUR PERIOD WAS THE 6TH-7TH WHEN 1.26 INCHES OF PRECIPITATION FELL.
THE 6TH HAD 1.24 INCHES AND BROKE 0.41 FROM 1990.
SNOWFALL FOR THE MONTH WAS 28.9 INCHES. THIS IS 203 PERCENT OF
NORMAL. THE SNOWIEST 24-HOUR PERIOD WAS THE 6TH WITH 12.3 INCHES.
THIS BROKE THE 1969 RECORD OF 7.3 INCHES. THE HIGHEST WIND GUST WAS
75 MPH AND OCCURRED ON THE 16TH FROM THE SOUTHWEST.
...THE LANDER WY CLIMATE SUMMARY FOR THE MONTH OF MARCH 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1891 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 76 03/31/2015
03/31/2012
03/30/1966
LOW -16 03/02/1960
HIGHEST 75 03/27
LOWEST 7 03/08
AVG. MAXIMUM 50.3 48.6 1.7
AVG. MINIMUM 25.5 23.4 2.1
MEAN 37.9 36.0 1.9
DAYS MAX >= 90 0
DAYS MAX <= 32 2
DAYS MIN <= 32 26
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 4.65 2017
MINIMUM 0.03 2004
TOTALS 3.03 1.29 1.74 1.37
DAILY AVG. 0.10 0.04 0.06
DAYS >= .01 10
DAYS >= .10 6
DAYS >= .50 1
DAYS >= 1.00 1
GREATEST
24 HR. TOTAL 1.26 03/06 TO 03/07
STORM TOTAL 1.24
SNOWFALL (INCHES)
TOTALS 29.3 14.4 14.9
SINCE 7/1 59.6 66.6 -7.0
SNOWDEPTH AVG. 3
DAYS >= 1.0 7
DEGREE DAYS
HEATING TOTAL 830 899 -69
SINCE 7/1 5859 6550 -691
COOLING TOTAL 0 0 0
SINCE 1/1 0 0 0
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 7.3
RESULTANT WIND SPEED/DIRECTION 3/240
HIGHEST WIND SPEED/DIRECTION 51/240 DATE 03/16
HIGHEST GUST SPEED/DIRECTION 75/240 DATE 03/16
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.29
NUMBER OF DAYS FAIR 20
NUMBER OF DAYS PC 8
NUMBER OF DAYS CLOUDY 3
AVERAGE RH (PERCENT) 54
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 5
LIGHT SNOW 9 SLEET 0
FOG 9 FOG W/VIS <= 1/4 MILE 5
HAZE 1
- 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 28 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 60
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 34. THE AVERAGE MONTHLY
PRECIPITATION IS 2.07 INCHES. THE AVERAGE SNOWFALL IS 16.4 INCHES.
$$