Climatological Report (Monthly)
Issued by NWS Buffalo, NY

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CXUS51 KBUF 021256
CLMROC

CLIMATE REPORT
NATIONAL WEATHER SERVICE BUFFALO NY
745 AM EDT SAT AUG 1 2015

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

...THE ROCHESTER NY CLIMATE SUMMARY FOR THE MONTH OF JULY 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             102   07/10/1936
                        07/09/1936
 LOW               42   07/09/1963
HIGHEST            91   07/29                         89  07/01
LOWEST             50   07/16                         52  07/25
                        07/03                             07/05
AVG. MAXIMUM     80.7              81.0    -0.3     78.5
AVG. MINIMUM     61.0              60.7     0.3     60.0
MEAN             70.9              70.8     0.1     69.3
DAYS MAX >= 90      1               2.3    -1.3        0
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         9.70   1947
 MINIMUM         0.43   1933
TOTALS           3.56              3.33    0.23     7.70
DAYS >= .01        12                                 13
DAYS >= .10         8                                 10
DAYS >= .50         2                                  4
DAYS >= 1.00        1                                  3
GREATEST
 24 HR. TOTAL    1.56   07/17 TO 07/18

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

DEGREE_DAYS
HEATING TOTAL      11                12      -1        7
 SINCE 7/1         11                12      -1        7
COOLING TOTAL     200               193       7      150
 SINCE 1/1        397               329      68      339
..................................................

WIND (MPH)
AVERAGE WIND SPEED              6.9
HIGHEST WIND SPEED/DIRECTION    33/300
HIGHEST GUST SPEED/DIRECTION    44/290    DATE  07/31

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR            6
NUMBER OF DAYS PC             20
NUMBER OF DAYS CLOUDY          5

AVERAGE RH (PERCENT)     68

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              2     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       4
LIGHT RAIN               14     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      18     FOG W/VIS <= 1/4 MILE      0
HAZE                      0

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

&&

...COMFORTABLE MONTH OF JULY...

JULY CONTINUED THE SWINGS OF ABOVE TO BELOW NORMAL TEMPERATURES
THROUGH THE MONTH. THE MONTH ENDED WITH A MORE TYPICAL PATTERN
REGIME OF HEAT THE LAST FEW DAYS OF THE MONTH. THE HEAVIEST OF RAINS
FROM THUNDERSTORMS GENERALLY REMAINED SOUTH OF THE ROCHESTER AREA
THROUGH THE MONTH.

THE AVERAGE TEMPERATURE FOR JULY WAS 70.9F DEGREES WHICH IS JUST A
TENTH OF A DEGREE ABOVE NORMAL. NO SINGLE PATTERN WAS ABLE TO BE
ESTABLISHED OVER THE REGION THIS MONTH...WITH THE LONGEST STRETCH OF
ABOVE OR BELOW NORMAL TEMPERATURES BEING JUST 7 DAYS. IN TOTAL THERE
WERE 15 DAYS ABOVE NORMAL...AND 16 DAYS BELOW NORMAL. THE WARMEST
DAY THIS MONTH WAS A 91 DEGREE READING ON THE 29TH WHICH WAS THE
THIRD 90 DEGREE READING OF THE YEAR. OVERALL THE MONTH GENERALLY
FINISHED NEAR NORMAL WITH 20 OF THE 31 DAYS FINISHING WITHIN 5
DEGREES OF NORMAL. THERE WERE 18 DAYS THAT REACHED 80F OR GREATER IN
JULY WHICH IS 1 DAY LESS THAN NORMAL.

PRECIPITATION FINISHED ABOVE NORMAL FOR THE MONTH WITH THE 3.56
INCHES OF RAIN ABOUT A QUARTER OF AN INCH ABOVE NORMAL. THREE-
QUARTERS OF THE RAINFALL THIS MONTH FELL OVER THE LAST TWO WEEKS OF
THE MONTH. THERE WAS ONE LARGE RAINFALL EVENT...ON THE 18TH 1.51
INCHES OF RAINFALL WAS MEASURED WITHIN THUNDERSTORMS...THOUGH THIS
AMOUNT REMAINED BELOW THE DAILY RECORD VALUE.

JULY STARTED PLEASANT ACROSS WESTERN NEW YORK. AFTER A FEW SCATTERED
SHOWERS ON THE 1ST...SUNSHINE AND COMFORTABLE HUMIDITY LEVELS
RETURNED WITH THE FINE WEATHER CONDITIONS PREVAILING RIGHT THROUGH
THE HOLIDAY WEEKEND. A WARM FRONT LIFTED ACROSS THE REGION ON THE
6TH AND 7TH BRINGING AN INCREASE IN HUMIDITY ALONG WITH SCATTERED
SHOWERS AND THUNDERSTORMS. A FEW OF THESE THUNDERSTORMS FORMING ON A
LAKE BREEZE OFF LAKE ERIE BECAME SEVERE DURING THE AFTERNOON OF THE
7TH. ISOLATED TREE DAMAGE WAS REPORTED ACROSS WESTERN SUBURBS OF
ROCHESTER. MORE SIGNIFICANT THUNDERSTORMS ROLLED THROUGH WESTERN NEW
YORK ON THE 14TH WITH THE STORMS PRODUCING FLOODING RAINS ACROSS THE
SOUTHERN TIER AND SOUTHERN GENESEE VALLEY IN ADDITION TO DOWNING
SEVERAL TREES. DEWPOINTS SOARED TO OVER 70F ON THE 18TH AND 19TH
MAKING FOR A STICKY WEEKEND. A STRONG LAKE BREEZE ON THE 19TH OFF
BOTH LAKES ERIE AND ONTARIO FENDED OFF APPROACHING THUNDERSTORMS
FROM THE WEST. AFTER A BRIEF COOL SPELL FROM THE 22ND TO THE
24TH...THE WARMEST AIRMASS OF THE SUMMER SEASON REACHED WESTERN NEW
YORK. TEMPERATURES ON THE 26TH THROUGH 28TH CLIMBED INTO THE UPPER
80S...WITH A PEAK OF 91F ON THE 29TH. A COOL FRONT CROSSED WESTERN
NEW YORK ON THE MORNING HOURS OF THE 30TH WITH A FEW SHOWERS.

WINDS WERE A BIT BELOW NORMAL THIS MONTH...AVERAGING 6.9 MPH WHICH
IS A HALF A MILE PER HOUR BELOW NORMAL. THERE WERE TWO DAYS THAT HAD
A 44 MPH WIND GUST...STRONGEST GUSTS THIS MONTH. ON THE 7TH WINDS
GUSTED TO 44 MPH JUST AHEAD OF HEAVY RAIN...WHILE ON THE 31ST WINDS
GUSTED TO 44 MPH AS A THUNDERSTORM WAS ENDING OVER THE AIRPORT.

IN ALL A COMFORTABLE MONTH...WITH LIMITED EXTREME HEAT AND HUMIDITY.

&&

THOMAS

$$


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