Climatological Report (Monthly)
Issued by NWS Buffalo, NY

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CXUS51 KBUF 052044
CLMROC

CLIMATE REPORT
NATIONAL WEATHER SERVICE BUFFALO NY
123 PM EDT WED NOV 1 2017

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

...THE ROCHESTER NY CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              91   10/05/1951
 LOW               19   10/25/1879
HIGHEST            84   10/04                         80  10/18
LOWEST             35   10/17                         31  10/31
                        10/16
AVG. MAXIMUM     67.5              59.6     7.9     62.8
AVG. MINIMUM     47.9              41.5     6.4     45.6
MEAN             57.7              50.6     7.1     54.2
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.0     0.0        0
DAYS MIN <= 32      0               3.3    -3.3        1
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         8.67   1873
 MINIMUM         0.08   1924
TOTALS           6.71              2.72    3.99     5.26
DAYS >= .01        13                                 14
DAYS >= .10        11                                 10
DAYS >= .50         2                                  2
DAYS >= 1.00        2                                  1
GREATEST
 24 HR. TOTAL    2.39   10/09 TO 10/09

SNOWFALL (INCHES)
RECORDS
 TOTAL            5.0   1906
TOTALS            0.0               0.1    -0.1      0.9
SINCE 7/1         0.0               0.1    -0.1      0.9
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= 1.0         0               0.0     0.0        0
GREATEST
 SNOW DEPTH         0   MM
 24 HR TOTAL      0.0   MM

DEGREE_DAYS
HEATING TOTAL     243               452    -209      342
 SINCE 7/1        362               633    -271      393
COOLING TOTAL      22                 5      17       15
 SINCE 1/1        655               539     116      978
..................................................

WIND (MPH)
AVERAGE WIND SPEED              9.1
HIGHEST WIND SPEED/DIRECTION    46/270    DATE  10/15
HIGHEST GUST SPEED/DIRECTION    62/300    DATE  10/15

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            7
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY         13

AVERAGE RH (PERCENT)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              1     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       8
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      14     FOG W/VIS <= 1/4 MILE      1
HAZE                      0

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

&&

...WARM AND WET OCTOBER...

THE MONTH OF OCTOBER FEATURED CONTINUED WARMTH, WITH MANY PLEASANT
AFTERNOONS FOR OUTDOOR ACTIVITIES. THIS YEAR`S MID-SEPTEMBER TO MID-
OCTOBER WAS THE WARMEST ON RECORD, WHICH ALSO DELAYED THE PEAK OF
FALL FOLIAGE ACROSS WESTERN NEW YORK. A COOL END TO THE MONTH
BROUGHT SHOWERS AND SOME LAKE EFFECT RAIN.

THE TEMPERATURE AVERAGED 57.7F THIS MONTH, WHICH IS 7.1 DEGREES
ABOVE NORMAL, AND MADE FOR THE 6TH WARMEST OCTOBER ON RECORD. THE
MONTH HAD 23 DAYS ABOVE NORMAL AND THE WARMEST DAY WAS THE 4TH WHEN
THE TEMPERATURE ROSE TO 84F. THE 4 DAYS IN THE 80S THIS MONTH WAS
THE GREATEST AMOUNT SINCE 2007. THERE WERE 16 OCTOBER DAYS THAT
REACHED INTO THE 70S, WHICH IS 9 MORE THAN NORMAL...AND TIED FOR 5TH
GREATEST. A RECORD WARM MINIMUM TEMPERATURE WAS TIED ON THE 8TH WHEN
THE TEMPERATURE ONLY FELL TO 61F. THIS RECORD WAS ALSO ESTABLISHED
IN 1913.

PRECIPITATION TOTALED 6.71 INCHES FOR THE MONTH, WHICH IS ALMOST 4
INCHES ABOVE NORMAL. THIS WAS THE 4TH WETTEST OCTOBER ON RECORD.
THERE WERE 13 DAYS WITH MEASURABLE PRECIPITATION, JUST 1 DAY MORE
THAN NORMAL. THERE WERE TWO NEW PRECIPITATION RECORDS ESTABLISHED,
WITH 2.39" ON THE 9TH BREAKING THE RECORD FROM 1976 (1.91") AND
2.10" ON THE 29TH BREAKING THE RECORD FROM 2012 (1.44"). THIS MARKS
ONLY THE FOURTH TIME THAT A MONTH FEATURED TWO, 2.00" OR GREATER
PRECIPITATION EVENTS, WITH THE LAST OCCURRENCE IN JUNE OF 1980.

SUMMER-LIKE WEATHER CONTINUED ON THIS AUTUMN, FROM THE SECOND HALF
OF SEPTEMBER AND INTO MUCH OF OCTOBER. THE REGION WAS IMPACTED BY
THE REMNANTS OF TWO TROPICAL SYSTEMS. THE FIRST WAS FROM NATE WHICH
BROUGHT A SOAKING RAIN TO WESTERN NEW YORK ON THE 9TH. THE SECOND
SYSTEM TO IMPACT WESTERN NEW YORK WAS THE REMNANTS OF PHILIPPE. THIS
SYSTEM, AND ITS ABUNDANT MOISTURE BROUGHT STRONG WINDS AND ANOTHER
SOAKING RAIN TO WESTERN NEW YORK ON THE 29TH AND 30TH. A LAKE EFFECT
EVENT TO CLOSE OUT THE MONTH ADDED TO THE ABOVE NORMAL PRECIPITATION
ACROSS WESTERN NEW YORK, INCLUDING THE FIRST MEASURABLE SNOW FOR
SOME HILL TOPS.

WINDS WERE ABOVE NORMAL, WITH AN AVERAGE SPEED OF 9.1 MPH THIS
MONTH. THE STRONGEST WIND GUST WAS 62 MPH ON THE 15TH ALONG A
PASSING COLD FRONT.

THOUGH WET, WARM TEMPERATURES CONTINUED THROUGH THE AUTUMN.

&&

THOMAS

$$


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