Climatological Report (Monthly)
Issued by NWS Buffalo, NY

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000
CXUS51 KBUF 051325
CLMBUF

CLIMATE REPORT
NATIONAL WEATHER SERVICE BUFFALO NY
826 AM EDT FRI SEP 01 2023

...................................

...THE BUFFALO NY CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             99   08/27/1948
 LOW              38   08/29/1982
                       08/30/1965
HIGHEST           85   08/06                          90  08/03
LOWEST            52   08/31                          52  08/13
AVG. MAXIMUM    76.6               79.0    -2.4     81.7
AVG. MINIMUM    61.2               61.7    -0.5     63.8
MEAN            68.9               70.4    -1.5     72.7
DAYS MAX >= 90     0                0.7    -0.7        1
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.0     0.0        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       10.67   1977
 MINIMUM        0.05   1876
TOTALS          3.12               3.23   -0.11     2.81
DAYS >= .01       16                                  11
DAYS >= .10        8                                   7
DAYS >= .50        2                                   2
DAYS >= 1.00       0                                   0
GREATEST
 24 HR. TOTAL   1.03   08/06 TO 08/07               0.97  08/30 TO 08/30

SNOWFALL (INCHES)
RECORDS
 TOTAL            MM   MM
TOTALS           0.0                0.0     0.0      0.0
SINCE 7/1        0.0                0.0     0.0
SNOWDEPTH AVG.     0                                   0
DAYS >= 1.0        0                0.0     0.0        0
DAYS >= 0.1        0                                   0
GREATEST
 SNOW DEPTH        0                                   0  MM
 24 HR TOTAL      MM

DEGREE DAYS
HEATING TOTAL      5                 13      -8        0
 SINCE 7/1         5                 14      -9       MM
COOLING TOTAL    134                178     -44      245
 SINCE 1/1       520                535     -15       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.7
HIGHEST WIND SPEED/DIRECTION    32/190
HIGHEST GUST SPEED/DIRECTION    41/240    DATE  08/17

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
NUMBER OF DAYS FAIR            3
NUMBER OF DAYS PC             18
NUMBER OF DAYS CLOUDY         10

AVERAGE RH (PERCENT)     73

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             10     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       4
LIGHT RAIN               18     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      15     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.

&&

... COOL AUGUST ...

IT`S BEEN SEVERAL SUMMERS SINCE WE`VE HAD A COOLER THAN NORMAL
AUGUST ACROSS WESTERN NEW YORK, WITH THIS YEAR THE FIRST SINCE 2017
FEATURING BELOW NORMAL WARMTH. THOUGH STORMS FAVORED THE FIRST HALF
OF THE MONTH, SEVERE WEATHER WAS MINIMAL WITH JUST A FEW DOWNED
TREES IN NIAGARA COUNTY FOR THE MONTH. PRECIPITATION WAS JUST SHY OF
NORMAL FOR THE MONTH.

THE TEMPERATURE AVERAGED 68.9F THIS MONTH, WHICH IS A DEGREE AND A
HALF BELOW AVERAGE. THIS IS THE COOLEST AUGUST SINCE 2017, WHICH WAS
A TENTH OF A DEGREE COOLER. DAYS IN THE 80S WERE LACKING THIS MONTH
WITH JUST 8 DAYS TOPPING THE 80F MARK, WHICH IS TIED FOR 11TH FEWEST
IN AIRPORT RECORDS (SINCE 1944). THE FEWEST DAYS IN THE 80S IN THE
MONTH OF AUGUST OCCURRED IN 1997, WHICH HAD JUST 4 SUCH DAYS. THERE
WERE 19 DAYS BELOW NORMAL FOR THE MONTH, WHILE JUST 9 DAYS FEATURED
ABOVE NORMAL TEMPERATURES. EVEN OF THESE 9 DAYS, THE GREATEST
DEPARTURE WAS JUST 5 DEGREES FROM NORMAL, THIS BEING ON THE 7TH. THE
WARMEST TEMPERATURE WAS JUST 85F THIS MONTH, LOWEST MAXIMUM
TEMPERATURE DURING THE MONTH OF AUGUST SINCE 1999 WHICH HAD A
MAXIMUM TEMPERATURE OF JUST 84F.  

PRECIPITATION FOR THE MONTH WAS JUST SHY OF NORMAL, WITH THE 3.12
INCHES ABOUT A TENTH OF AN INCH FROM NORMAL. THERE WERE NO EXTREMES,
AND EVEN THOUGH THE MONTH AS A WHOLE FINISHED WITH BELOW NORMAL
PRECIPITATION, THE 16 DAYS WITH MEASURABLE PRECIPITATION WAS JUST 1
DAY OFF THE RECORD FOR THE MONTH WHICH IS 17 DAYS LAST SET IN 1979.  

FOR THE MONTH OF AUGUST AN ANOMALOUS STRONG MID LEVEL RIDGE OF HIGH
PRESSURE SCORCHED THE SOUTHERN PLAINS, WHILE LOWER HEIGHT ANOMALIES
REMAINED ACROSS THE NORTHEAST. THIS PATTERN KEPT PLENTY OF
COMFORTABLE SUMMER DAYS ACROSS WESTERN NEW YORK, WITH SEVERAL DAYS
BEHIND COLD FRONTS BORDERING THE LINE OF TOO COOL FOR SUMMER. THE
FIRST ACTIVE PERIOD OF WEATHER WAS THE 6TH AND 7TH OF THE MONTH. A
WARM FRONT BROUGHT RAIN LATE ON THE 6TH, WHILE AN UNSTABLE
ATMOSPHERE BREWED ADDITIONAL THUNDERSTORMS ON THE 7TH DURING THE
AFTERNOON. WHILE THESE STORMS WERE BELOW SEVERE LIMITS ACROSS
WESTERN NEW YORK, TO THE EAST AN EF3 TORNADO RIPPED THROUGH SOUTHERN
LEWIS COUNTY. SHOWERS AND THUNDERSTORMS ADVANCED UP LAKE ERIE DURING
THE MORNING HOURS OF THE 10TH. THIS ACTIVITY PASSED BY BUFFALO EARLY
IN THE MORNING, WITH A DRY PERIOD THROUGH THE EARLY AFTERNOON. AHEAD
OF A COLD FRONT THUNDERSTORMS BLOSSOMED OVER NIAGARA COUNTY MID-
AFTERNOON, DOWNING SOME TREES NEAR NORTH TONAWANDA, AND BRINGING
DOWNPOURS OF RAIN TO ERIE COUNTY.  A COLD FRONT BROUGHT SOME GUSTY
RAIN SHOWERS AND THUNDERSTORMS ON THE 17TH TO BUFFALO, AND AN EARLY
TASTE OF AUTUMN ON THE 18TH WITH LAKE ENHANCED RAIN SHOWERS. ON THE
24TH A LINE OF SHOWERS AND STRONG THUNDERSTORMS DROPPED
SOUTHEASTWARD ACROSS WESTERN NEW YORK. A THUNDERSTORM ON THE 26TH
DOUSED THE NORTHTOWNS WITH HEAVY RAIN, WITH THE BUFFALO AIRPORT
RECORDING JUST A TRACE OF RAIN FROM THIS STORM. FINALLY A COLD FRONT
ON THE 30TH BROUGHT EARLY MORNING RAIN SHOWERS TO BUFFALO, AND LEFT
A CHILLY DAY IN THE 60S, AND OVERNIGHT LOWS IN THE LOWER 50S BEHIND
IT.

THE TEMPERATURE ON LAKE ERIE WAS PRETTY CLOSE TO NORMAL THROUGHOUT
THE MONTH. THE MAXIMUM OF 74F IS JUST A DEGREE ABOVE NORMAL, AND THE
71F AT AUGUST`S CLOSURE IS EXACTLY NORMAL. THE WINDS WERE CLOSE TO
NORMAL, ABOUT A HALF A MILE PER HOUR BELOW NORMAL. THE STRONGEST
WIND GUSTS OCCURRED IN THUNDERSTORMS, THIS AT 41 MPH ON THE 17TH. 

IN ALL A COOL MONTH, LACKING ANY SIGNIFICANT SEVERE STORMS.   

&&

THOMAS

$$


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