Climatological Report (Seasonal)
Issued by NWS Upton, NY

Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27

000
CXUS51 KOKX 021502 RRA
CLSISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
1001 AM EST THU DEC 2 2010

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

...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2010 TO 11/30/2010...

CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1986 TO 2010

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              93   09/01/2010
 LOW               11   MM
HIGHEST            93R  09/01        MM      MM
LOWEST             26   11/29        MM      MM
AVG. MAXIMUM     64.9              64.2     0.7
AVG. MINIMUM     48.2              45.8     2.4
MEAN             56.6              55.0     1.6
DAYS MAX >= 90      1               0.2     0.8
DAYS MAX <= 32      0               0.1    -0.1
DAYS MIN <= 32      7              11.0    -4.0
DAYS MIN <= 0       0               0.0     0.0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        18.55   2005
 MINIMUM         4.02   2001
TOTALS           8.28             10.88   -2.60    10.81
DAILY AVG.       0.09              0.12   -0.03
DAYS >= .01        27              27.3    -0.3
DAYS >= .10        17              17.3    -0.3
DAYS >= .50         4               7.7    -3.7
DAYS >= 1.00        2               3.1    -1.1
GREATEST
 24 HR. TOTAL    2.32   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL            7.6   1989
 24 HR TOTAL       MM
TOTALS              T                MM      MM
 LIQUID EQUIV      MM                MM      MM
SINCE 7/1           T                MM      MM
 LIQUID 7/1        MM
DAYS >= TRACE       1                MM      MM
DAYS >= 1.0         0               0.1    -0.1
GREATEST
 SNOW DEPTH         0   MM
 24 HR TOTAL      0.0   MM
 STORM TOTAL       MM
 (MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL     887               992    -105
 SINCE 7/1        887               993    -106
COOLING TOTAL     138                79      59
 SINCE 1/1       1127               770     357
..............................................................

WIND (MPH)
AVERAGE WIND SPEED              9.4
HIGHEST WIND SPEED/DIRECTION    35/330    DATE  11/08
HIGHEST GUST SPEED/DIRECTION    45/320    DATE  11/08

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM

NUMBER OF DAYS FAIR           23
NUMBER OF DAYS PC             41
NUMBER OF DAYS CLOUDY         27

AVERAGE RH (PERCENT)     62

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              6     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                      10
LIGHT RAIN               37     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       1
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                1     SLEET                      0
FOG                      30     FOG W/VIS <= 1/4 MILE      4
HAZE                     28

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

$$








USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.