Climatological Report (Monthly)
Issued by NWS Upton, NY

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CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
850 PM EDT WED JUN 6 2018

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

...THE CENTRAL PARK NY CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1869 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              75   12/07/1998
 LOW              -13   12/30/1917
HIGHEST            61   12/05        MM      MM       60  12/27
LOWEST              9   12/31        MM      MM       17  12/16
AVG. MAXIMUM     40.0              43.0    -3.0     43.9
AVG. MINIMUM     30.1              32.0    -1.9     32.8
MEAN             35.0              37.5    -2.5     38.3
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      9               3.9     5.1        2
DAYS MIN <= 32     16              14.2     1.8       11
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         9.98   1973
 MINIMUM         0.25   1955
TOTALS           2.21              4.00   -1.79     2.89
DAILY AVG.       0.07              0.13   -0.06     0.09
DAYS >= .01         9              10.6    -1.6       12
DAYS >= .10         5               6.7    -1.7        6
DAYS >= .50         1               2.9    -1.9        2
DAYS >= 1.00        0               1.2    -1.2        0
GREATEST
 24 HR. TOTAL    0.75   12/05 TO 12/05           11/30 TO 12/01
                                                          12/17 TO 12/17EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                                                          12/17 TO 12/17EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    12/01(00) TO 12/01(00)
                                                 12/17(00) TO 12/17(00)7EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                                                 12/17(00) TO 12/17(00)7EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S

SNOWFALL (INCHES)
TOTALS            7.7               4.8     2.9      3.2
 LIQUID EQUIV    0.77              0.50    0.27     0.32
SINCE 7/1         7.7               5.1     2.6      3.2
 LIQUID 7/1      0.77              0.50    0.27     0.32
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= TRACE       8               2.3     5.7        4
DAYS >= 1.0         3               1.0     2.0        1
GREATEST
 SNOW DEPTH         4   12/10                          2  12/17
 24 HR TOTAL      4.6   12/09 TO 12/09           12/17 TO 12/17
                                                          12/17 TO 12/17EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                                                          12/17 TO 12/17EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
 STORM TOTAL       MM                                 MM
 (MM/DD(HH))            MM                    12/17(00) TO 12/17(00)
                                                 12/17(00) TO 12/17(00)7EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                                                 12/17(00) TO 12/17(00)7EATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S

DEGREE_DAYS
HEATING TOTAL     920               852      68      819
 SINCE 7/1       1582              1685    -103     1506
COOLING TOTAL       0                 0       0        0
 SINCE 1/1       1265              1105     160     1489
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.1
HIGHEST WIND SPEED/DIRECTION    24/290    DATE  12/25
HIGHEST GUST SPEED/DIRECTION    40/290    DATE  12/13

AVERAGE RH (PERCENT)     61

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       2
LIGHT RAIN                4     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       3
LIGHT SNOW                7     SLEET                      0
FOG                      13     FOG W/VIS <= 1/4 MILE      1
HAZE                      9

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

...CORRECTED TO ADD THUNDERSTORM DAYS...

$$



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