378
CXUS55 KRIW 031712
CLMP60
CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1049 AM MDT FRI APR 03 2026
...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR LAKE YELLOWSTONE FOR THE
MONTH OF MARCH 2026...
...OFFICIAL CLIMATE DATA FOR THE MONTH OF MARCH 2026 WILL BE
AVAILABLE APPROXIMATELY IN 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
...LAKE YELLOWSTONE IN MARCH WAS DRIER THAN NORMAL WITH RECORD
WARMTH...
AVERAGE TEMPERATURE FOR LAKE YELLOWSTONE IN MARCH WAS 30.6
DEGREES WHICH IS 9.4 DEGREES ABOVE NORMAL. IT WAS THE 1ST WARMEST
MARCH SINCE RECORDS BEGAN IN 1998. THE WARMEST READING OF THE MONTH
WAS 60 DEGREES ON THE 19TH. THIS BROKE THE 1999 RECORD OF 49
DEGREES. IT ALSO SET A RECORD FOR EARLIEST 60-DEGREE DAY FOR THE
YEAR BEATING THE PREVIOUS DATE OF APRIL 22ND 2016. 60 DEGREES IS
ALSO A NEW ALL-TIME RECORD HIGH FOR MARCH…BEATING 57 DEGREES FROM
MARCH 27TH 2022. SEVERAL OTHER RECORD HIGHS WERE SET AND ARE LISTED
BELOW. THE COLDEST READING OF THE MONTH WAS -12 DEGREES ON THE 11TH.
DATENEWOLDYEAR
17TH52 (T)522007
18TH58542017
20TH59511999
21ST58512009
24TH50 (T)502004
25TH54511999
29TH51472015
TOTAL PRECIPITATION AT LAKE YELLOWSTONE WAS 1.11 INCHES...WHICH WAS
58 PERCENT OF NORMAL. THE WETTEST 24-HOUR PERIOD DURING THE MONTH
WAS THE 1ST-2ND WHEN 0.29 INCHES OF PRECIPITATION FELL. NO
PRECIPITATION RECORDS WERE BROKEN THIS MONTH. THE HIGHEST WIND GUST
WAS 46 MPH FROM THE WEST ON THE 12TH.
...THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR THE MONTH OF MARCH
2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
..........................................................
TEMPERATURE (F)
RECORD
HIGH 60 03/19/2026
LOW -34 03/10/2022
03/10/2022
HIGHEST 60R 03/19
LOWEST -12 03/11
AVG. MAXIMUM 42.9R 34.7 8.2
AVG. MINIMUM 18.3 7.7 10.6
MEAN 30.6R 21.2 9.4
DAYS MAX >= 90 0
DAYS MAX <= 32 6
DAYS MIN <= 32 30
DAYS MIN <= 0 4
PRECIPITATION (INCHES)
RECORD
MAXIMUM 4.58 2014
MINIMUM 0.48 2025
TOTALS 1.11 1.90 -0.79 2.82
DAILY AVG. 0.04 0.06 -0.02
DAYS >= .01 13
DAYS >= .10 5
DAYS >= .50 0
DAYS >= 1.00 0
GREATEST
24 HR. TOTAL 0.29 03/01 TO 03/02
STORM TOTAL 0.28
DEGREE DAYS
HEATING TOTAL 1059 1358 -299
SINCE 7/1 8029 9561 -1532
COOLING TOTAL 0 0 0
SINCE 1/1 0 0 0
..........................................................
WIND (MPH)
AVERAGE WIND SPEED 4.3
RESULTANT WIND SPEED/DIRECTION 2/260
HIGHEST WIND SPEED/DIRECTION 22/300 DATE 03/14
HIGHEST GUST SPEED/DIRECTION 46/270 DATE 03/09
46/270 03/12
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.00
NUMBER OF DAYS FAIR 31
NUMBER OF DAYS PC 0
NUMBER OF DAYS CLOUDY 0
AVERAGE RH (PERCENT) 63
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 0
LIGHT RAIN 4 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 10 SLEET 0
FOG 0 FOG W/VIS <= 1/4 MILE 0
HAZE 0
- 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 38 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 13 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 45
DEGREES AND THE AVERAGE LOW TEMPERATURE IS 21 DEGREES. THE AVERAGE
MONTHLY PRECIPITATION IS 2.28 INCHES.
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