Climatological Report (Seasonal)
Issued by NWS Upton, NY

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CXUS51 KOKX 011441
CLSLGA

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
937 AM EST FRI DEC 1 2017



...THE LAGUARDIA NY CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2017 TO 11/30/2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1939 TO 2017

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH             102   09/02/1953
 LOW               17   11/29/1955
HIGHEST            91   09/24        MM      MM
LOWEST             26   11/11        MM      MM
AVG. MAXIMUM     68.5              65.4     3.1
AVG. MINIMUM     54.8              51.6     3.2
MEAN             61.7              58.5     3.2
DAYS MAX >= 90      1               0.9     0.1
DAYS MAX <= 32      0               0.0     0.0
DAYS MIN <= 32      2               2.5    -0.5
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        18.94   1977
 MINIMUM         3.99   1965
TOTALS           7.68             10.92   -3.24    12.72
DAILY AVG.       0.08              0.12   -0.04
DAYS >= .01        22              25.8    -3.8
DAYS >= .10        15              16.6    -1.6
DAYS >= .50         5               7.6    -2.6
DAYS >= 1.00        1               2.9    -1.9
GREATEST
 24 HR. TOTAL    2.84   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL            6.1   1989
 24 HR TOTAL       MM
TOTALS              T               0.3    -0.3
 LIQUID EQUIV      MM              0.00      MM
SINCE 7/1           T               0.3    -0.3
 LIQUID 7/1        MM
DAYS >= TRACE       1               0.2     0.8
DAYS >= 1.0         0               0.1    -0.1
GREATEST
 SNOW DEPTH         T   11/20
 24 HR TOTAL      0.0   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL     591               774    -183
 SINCE 7/1         MM               775      MM
COOLING TOTAL     308               180     128
 SINCE 1/1       1439              1214     225
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              10.2
HIGHEST WIND SPEED/DIRECTION    36/310    DATE  11/19
HIGHEST GUST SPEED/DIRECTION    49/240    DATE  10/29

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR           23
NUMBER OF DAYS PC             45
NUMBER OF DAYS CLOUDY         23

AVERAGE RH (PERCENT)     64

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                5     RAIN                       9
LIGHT RAIN               32     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                1     SLEET                      0
FOG                      23     FOG W/VIS <= 1/4 MILE      2
HAZE                      6

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

$$



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