Climatological Report (Monthly)
Issued by NWS
Issued by NWS
058
CXUS55 KRIW 031715
CLMLND
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1049 AM MDT FRI APR 03 2026
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR LANDER FOR THE MONTH OF
MARCH 2026...
...OFFICIAL CLIMATE DATA FOR THE MONTH OF MARCH 2026 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 DRIER THAN NORMAL IN MARCH WITH RECORD WARMTH....
THE AVERAGE TEMPERATURE FOR LANDER IN MARCH WAS 47.5 DEGREES WHICH
WAS 11.5 DEGREES ABOVE NORMAL. IT WAS THE 1ST WARMEST MARCH SINCE
RECORDS BEGAN IN 1892. THE WARMEST READING FOR THE MONTH WAS 82
DEGREES ON THE 21ST AND BROKE THE 1910 RECORD OF 71. THIS SET A NEW
ALL-TIME RECORD HIGH FOR THE MONTH OF MARCH...BEATING THE PREVIOUS
RECORD OF 76 SET ON MARCH 31ST 2015. SEVERAL OTHER RECORD HIGHS WERE
SET AND ARE LISTED BELOW. THE COLDEST TEMPERATURE WAS 9 DEGREES ON
THE 15TH.
DATENEWOLDYEAR
17TH71 (T)712007
18TH75722017
19TH80711910
(NEW EARLIEST 80-DEGREE DAY FOR THE YEAR. PREVIOUS WAS APRIL 11TH 2025)
20TH78721997
24TH74702012
25TH81732012
28TH74732015
29TH74721943
PRECIPITATION FOR THE MONTH WAS 1.03 INCHES...WHICH IS 80 PERCENT OF
NORMAL. THE WETTEST 24-HOUR PERIOD WAS THE 14TH-15TH...WITH 0.52
INCHES OF PRECIPITATION. NO PRECIPITATION OR SNOWFALL RECORDS WERE
BROKEN THIS MONTH.
THE SNOWFALL FOR THE MONTH WAS 8.3 INCHES WHICH IS 58 PERCENT OF
NORMAL. THE SNOWIEST 24-HOUR PERIOD WAS ON THE 14TH-15TH WHEN 6.2
INCHES FELL. THE HIGHEST WIND GUST WAS 84 MPH AND OCCURRED ON THE
12TH FROM THE WEST.
...THE LANDER WY CLIMATE SUMMARY FOR THE MONTH OF MARCH 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1891 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..............................................................
TEMPERATURE (F)
RECORD
HIGH 82 03/21/2026
LOW -16 03/02/1960
HIGHEST 82R 03/21
LOWEST 9 03/15
AVG. MAXIMUM 62.0R 48.6 13.4
AVG. MINIMUM 33.0R 23.4 9.6
MEAN 47.5R 36.0 11.5
DAYS MAX >= 90 0
DAYS MAX <= 32 1
DAYS MIN <= 32 12
DAYS MIN <= 0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 4.65 2017
MINIMUM 0.03 2004
TOTALS 1.03 1.29 -0.26 3.03
DAILY AVG. 0.03 0.04 -0.01
DAYS >= .01 6
DAYS >= .10 4
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.52 03/14 TO 03/15
STORM TOTAL 0.49
SNOWFALL (INCHES)
TOTALS 8.3 14.4 -6.1
SINCE 7/1 16.5 66.6 -50.1
SNOWDEPTH AVG. 0
DAYS >= 1.0 3
DEGREE DAYS
HEATING TOTAL 535 899 -364
SINCE 7/1 4618 6550 -1932
COOLING TOTAL 1 0 1
SINCE 1/1 1 0 1
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 8.9
RESULTANT WIND SPEED/DIRECTION 4/270
HIGHEST WIND SPEED/DIRECTION 61/260 DATE 03/12
HIGHEST GUST SPEED/DIRECTION 84/270 DATE 03/12
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.15
NUMBER OF DAYS FAIR 26
NUMBER OF DAYS PC 4
NUMBER OF DAYS CLOUDY 1
AVERAGE RH (PERCENT) 42
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 3
LIGHT SNOW 4 SLEET 0
FOG 5 FOG W/VIS <= 1/4 MILE 1
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 2026. 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.
$$