299
CXUS55 KRIW 021719
CLMBYG

CLIMATE REPORT
NATIONAL WEATHER SERVICE RIVERTON WY
1111 AM MDT MON JUN 02 2025

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

...OFFICIAL CLIMATE DATA FOR THE MONTH OF MAY 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 WARMER AND WETTER IN MAY...

THE AVERAGE TEMPERATURE FOR BUFFALO IN MAY WAS 53.7 DEGREES WHICH IS
1.7 DEGREES ABOVE NORMAL. THE WARMEST READING FOR THE MONTH WAS 85
DEGREES ON THE 11TH AND BROKE THE 2017 RECORD OF 75. THE 10TH HIGH
OF 82 BROKE 78 DEGREES FROM 2007. THE COLDEST TEMPERATURE WAS 32
DEGREES ON THE 5TH AND 6TH.

PRECIPITATION FOR THE MONTH WAS 2.79 INCHES...WHICH IS 102 PERCENT
OF NORMAL. THE WETTEST 24-HOUR PERIOD WAS ON THE 13TH-14TH WITH 0.69
INCHES. NO PRECIPITATION RECORDS WERE BROKEN THIS MONTH. THE HIGHEST
WIND GUST WAS 62 MPH OCCURRING ON THE 19TH FROM THE NORTHWEST.

...THE BUFFALO WY CLIMATE SUMMARY FOR THE MONTH OF MAY 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             91   05/13/2001
 LOW              17   05/02/2005
HIGHEST           85   05/11
LOWEST            32   05/05
                       05/06
AVG. MAXIMUM    65.4               62.8     2.6
AVG. MINIMUM    42.1               41.1     1.0
MEAN            53.7               52.0     1.7
DAYS MAX >= 90     0
DAYS MAX <= 32     0
DAYS MIN <= 32     2
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        6.74   2011
 MINIMUM        0.31   2009
TOTALS          2.79               2.73    0.06     3.35
DAILY AVG.      0.09               0.09    0.00
DAYS >= .01       12
DAYS >= .10        8
DAYS >= .50        1
DAYS >= 1.00       0
GREATEST
 24 HR. TOTAL   0.69   05/13 TO 05/14
 STORM TOTAL    0.60

DEGREE DAYS
HEATING TOTAL    351                412     -61
 SINCE 7/1      6791               7138    -347
COOLING TOTAL     11                  7       4
 SINCE 1/1        11                  7       4
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              12.3
RESULTANT WIND SPEED/DIRECTION   4/320
HIGHEST WIND SPEED/DIRECTION    44/350    DATE  05/01
HIGHEST GUST SPEED/DIRECTION    62/320    DATE  05/19

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.33
NUMBER OF DAYS FAIR           14
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     62

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       5
LIGHT RAIN               16     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                2     SLEET                      0
FOG                      12     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 JUNE 2025. THE AVERAGE HIGH TEMPERATURE ON THE
FIRST OF THE MONTH IS 68 DEGREES...AND THE AVERAGE LOW TEMPERATURE
IS 46 DEGREES. THE AVERAGE HIGH BY THE END OF THE MONTH IS 80
DEGREES...AND THE AVERAGE LOW TEMPERATURE IS 54. THE AVERAGE MONTHLY
PRECIPITATION IS 2.07 INCHES.

$$