Climatological Report (Monthly)
Issued by NWS Buffalo, NY

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CXUS51 KBUF 040222
CLMROC

CLIMATE REPORT
NATIONAL WEATHER SERVICE BUFFALO NY
1002 AM EDT SUN OCT 01 2023

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

...THE ROCHESTER NY CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 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   09/03/1953
 LOW              28   09/28/1947
HIGHEST           92   09/06                          85  09/03
LOWEST            45   09/20                          37  09/30
                       09/21
                       09/22
AVG. MAXIMUM    74.2               73.6     0.6     70.7
AVG. MINIMUM    55.1               53.6     1.5     54.3
MEAN            64.7               63.6     1.1     62.5
DAYS MAX >= 90     2                0.9     1.1        0
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.1    -0.1        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        6.30   1977
 MINIMUM        0.28   1960
TOTALS          1.37               3.18   -1.81     2.81
DAYS >= .01        6                                  14
DAYS >= .10        3                                   8
DAYS >= .50        1                                   1
DAYS >= 1.00       0                                   0
GREATEST
 24 HR. TOTAL   0.70   09/18 TO 09/18               0.76  09/12 TO 09/13

SNOWFALL (INCHES)
RECORDS
 TOTAL            MM   MM
TOTALS           0.0                0.0     0.0      0.0
SINCE 7/1        0.0                0.0     0.0       MM
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     0.0    MM                           0.0

DEGREE DAYS
HEATING TOTAL     85                114     -29      118
 SINCE 7/1        92                132     -40       MM
COOLING TOTAL     81                 72       9       51
 SINCE 1/1       535                668    -133       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.1
HIGHEST WIND SPEED/DIRECTION    23/340
HIGHEST GUST SPEED/DIRECTION    31/260    DATE  09/18
                                31/290          09/19

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.53
NUMBER OF DAYS FAIR           10
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY          8

AVERAGE RH (PERCENT)     71

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                3     RAIN                       2
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                       7     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.

&&

... ABSOLUTELY GORGEOUS SEPTEMBER ...

THERE WAS LITTLE WEATHER OF NOTE THIS MONTH, ESPECIALLY THE FINAL
HALF OF THE MONTH WHICH FEATURED MOST DAYS SUNNY AND MILD. MOST OF
THE RAINFALL WAS CONVECTIVE AND AT NIGHT LEAVING MUCH OF THE MONTH
ENJOYABLE. 

THE TEMPERATURE AVERAGED 64.7F THIS MONTH, WHICH IS AROUND A DEGREE
ABOVE NORMAL. ASIDE FROM A COOL PERIOD FROM THE 13TH TO 20TH, MUCH
OF THE MONTH FEATURED ABOVE NORMAL WARMTH. THE 22 DAYS REACHING AT
LEAST 70F IS 4 DAYS MORE THAN THE SEPTEMBER NORMAL. THE TWO DAYS
THAT REACHED INTO THE 90S (5TH AND 6TH) WERE THE FIRST SEPTEMBER 90F
DEGREE DAYS SINCE 2018, WHICH FEATURED THREE SUCH DAYS. 

PRECIPITATION TOTALED 1.37 INCHES FOR THE MONTH, WHICH IS ALMOST TWO
INCHES BELOW THE SEPTEMBER NORMAL. THE BULK OF THE PRECIPITATION
FELL IN TWO EVENTS. THE FIRST EVENT WAS LATE ON THE 6TH TO THE
MORNING HOURS OF THE 7TH, AND IN TOTAL 0.44 INCHES OF RAIN. THE
SECOND EVENT OCCURRED ON THE 18TH IN LATE MORNING THROUGH EVENING
THUNDERSTORMS AND TOTALED 0.70 INCHES OF RAIN. 

FOR THE MONTH, ANOMALOUS STRONG HIGH PRESSURE ANCHORED NEAR JAMES
BAY PROVIDED PLENTY OF GORGEOUS DAYS, KEEPING HUMIDITY AT BAY, AND
DELIVERING A WEALTH OF SUNSHINE TO THE EASTERN GREAT LAKES REGION.
THERE WERE A FEW HUMID DAYS THE FIRST WEEK OF THE MONTH, WHICH MADE
FOR SOME UNCOMFORTABLE SLEEPING CONDITIONS, BUT OTHERWISE DRY AUTUMN
DAYS WERE PLENTY. THUNDERSTORMS WERE NON SEVERE AND GENERALLY WERE
BRIEF, OR OCCURRING AT NIGHT. 

WITH THE SURFACE HIGH PRESSURE NEARBY, WINDS WERE GENTLE, AVERAGING
JUST 6.1 MPH, WHICH IS OVER ONE MILE PER HOUR BELOW NORMAL. THERE
WERE NO STRONG WIND GUSTS, WITH THE STRONGEST GUST BEING JUST 31 MPH
ON THE 18TH AND AGAIN THE 19TH IN WEST-NORTHWEST FLOW. 

IN ALL, A SPLENDID MONTH.

&&

THOMAS
$$


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