Climatological Report (Seasonal) Issued by NWS Upton, NY
000
CXUS51 KOKX 011714 RRA
CLSISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
1149 AM EST THU MAR 1 2018
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2017 TO 2/28/2018...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1963 TO 2018
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
.............................................................
TEMPERATURE (F)
RECORD
HIGH 77 12/07/1998
LOW -7 01/15/1988
01/22/1984
HIGHEST 64 02/20 MM MM
LOWEST 2 01/07 MM MM
AVG. MAXIMUM 41.9 40.4 1.5
AVG. MINIMUM 26.8 25.6 1.2
MEAN 34.3 33.0 1.3
DAYS MAX >= 90 0 0.0 0.0
DAYS MAX <= 32 21 16.9 4.1
DAYS MIN <= 32 65 68.4 -3.4
DAYS MIN <= 0 0 0.1 -0.1
PRECIPITATION (INCHES)
RECORD
MAXIMUM 18.06 1998
MINIMUM 5.38 2002
TOTALS 12.07 10.96 1.11 9.19
DAILY AVG. 0.14 0.12 0.02
DAYS >= .01 39 30.9 8.1
DAYS >= .10 23 19.5 3.5
DAYS >= .50 7 7.5 -0.5
DAYS >= 1.00 3 2.4 0.6
GREATEST
24 HR. TOTAL 1.58 MM
STORM TOTAL MM
(MM/DD(HH)) MM
SNOWFALL (INCHES)
RECORDS
TOTAL 57.8 2014
24 HR TOTAL 23.4 MM
TOTALS 29.4 19.2 10.2
LIQUID EQUIV 2.94 1.90 1.04
SINCE 7/1 29.4 19.7 9.7
LIQUID 7/1 2.94
DAYS >= TRACE 19 9.5 9.5
DAYS >= 1.0 7 5.7 1.3
GREATEST
SNOW DEPTH 16 01/05
24 HR TOTAL 16.0 MM
STORM TOTAL MM
(MM/DD(HH)) MM
DEGREE_DAYS
HEATING TOTAL 2749 2879 -130
SINCE 7/1 MM 3895 MM
COOLING TOTAL 0 0 0
SINCE 1/1 0 0 0
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 9.8
HIGHEST WIND SPEED/DIRECTION 37/290 DATE 12/25
HIGHEST GUST SPEED/DIRECTION 46/310 DATE 12/25
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.60
NUMBER OF DAYS FAIR 18
NUMBER OF DAYS PC 33
NUMBER OF DAYS CLOUDY 39
AVERAGE RH (PERCENT) 70
WEATHER CONDITIONS. NUMBER OF DAYS WITH
0
11
0
0
3
2
10
HAZE 2
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$