502
CXUS55 KRIW 021619
CLMBYG

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1013 AM MDT FRI MAY 02 2025

...PRELIMINARY MONTHLY CLIMATE SUMMARY FOR BUFFALO FOR THE MONTH OF
APRIL 2025...

...OFFICIAL CLIMATE DATA FOR THE MONTH OF APRIL 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

...BUFFALO WAS COOLER AND DRIER IN APRIL...

THE AVERAGE TEMPERATURE FOR BUFFALO IN APRIL WAS 42.6 DEGREES WHICH
IS 0.3 DEGREES BELOW NORMAL. THE WARMEST READING FOR THE MONTH WAS
79 DEGREES ON THE 11TH AND TIED THE 2012 RECORD. THE 15TH HIGH OF 69
TIED THE 2006 RECORD. THE COLDEST TEMPERATURE WAS 20 DEGREES ON THE
5TH AND 14TH.

PRECIPITATION FOR THE MONTH WAS 0.91 INCHES...WHICH IS 62 PERCENT OF
NORMAL. THE WETTEST 24-HOUR PERIOD WAS ON THE 28TH WITH 0.44 INCHES.
NO PRECIPITATION RECORDS WERE BROKEN THIS MONTH. THE HIGHEST WIND
GUST WAS 59 MPH OCCURRING ON THE 13TH FROM THE NORTHWEST.

...THE BUFFALO WY CLIMATE SUMMARY FOR THE MONTH OF APRIL 2025...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH             84   04/28/2018
 LOW               2   04/02/2020
HIGHEST           79   04/11
LOWEST            20   04/05
                       04/14
AVG. MAXIMUM    54.4               53.4     1.0
AVG. MINIMUM    30.7               32.3    -1.6
MEAN            42.6               42.9    -0.3
DAYS MAX >= 90     0
DAYS MAX <= 32     0
DAYS MIN <= 32    16
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        3.38   1999
 MINIMUM        0.21   2007
TOTALS          0.91               1.46   -0.55     0.57
DAILY AVG.      0.03               0.05   -0.02
DAYS >= .01        8
DAYS >= .10        3
DAYS >= .50        0
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.44   04/28 TO 04/28
 STORM TOTAL    0.44

DEGREE DAYS
HEATING TOTAL    667                665       2
 SINCE 7/1      6440               6725    -285
COOLING TOTAL      0                  0       0
 SINCE 1/1         0                  0       0
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              11.2
RESULTANT WIND SPEED/DIRECTION   5/330
HIGHEST WIND SPEED/DIRECTION    44/350    DATE  04/13
HIGHEST GUST SPEED/DIRECTION    59/340    DATE  04/13

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.40
NUMBER OF DAYS FAIR           16
NUMBER OF DAYS PC              7
NUMBER OF DAYS CLOUDY          7

AVERAGE RH (PERCENT)     61

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                8     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                1     SNOW                       3
LIGHT SNOW                8     SLEET                      0
FOG                      11     FOG W/VIS <= 1/4 MILE      4
HAZE                      0

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

LOOKING AHEAD TO MAY 2025. THE AVERAGE HIGH TEMPERATURE ON THE FIRST
OF THE MONTH IS 58 DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 36
DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 68
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 46. THE AVERAGE MONTHLY
PRECIPITATION IS 2.73 INCHES.

$$