Climatological Report (Seasonal) Issued by NWS Upton, NY
137
CXUS51 KOKX 030028
CLSISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
807 PM EDT TUE JUN 2 2020
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2020 TO 5/31/2020...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1963 TO 2020
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
.............................................................
TEMPERATURE (F)
RECORD
HIGH 98 05/20/1996
LOW 0 03/19/1967
03/18/1967
HIGHEST 81 05/30 MM MM
LOWEST 21 03/01 MM MM
AVG. MAXIMUM 58.3 57.4 0.9
AVG. MINIMUM 41.4 40.6 0.8
MEAN 49.8 49.0 0.8
DAYS MAX >= 90 0 0.3 -0.3
DAYS MAX <= 32 0 1.2 -1.2
DAYS MIN <= 32 11 19.5 -8.5
DAYS MIN <= 0 0 0.0 0.0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 22.91 1998
MINIMUM 6.00 1995
TOTALS 9.99 12.56 -2.57 14.19
DAILY AVG. 0.11 0.14 -0.03
DAYS >= .01 37 32.9 4.1
DAYS >= .10 19 20.8 -1.8
DAYS >= .50 5 8.0 -3.0
DAYS >= 1.00 2 3.3 -1.3
GREATEST
24 HR. TOTAL 1.39 MM
STORM TOTAL MM
(MM/DD(HH)) MM
SNOWFALL (INCHES)
RECORDS
TOTAL 36.5 2018
24 HR TOTAL 14.9 MM
TOTALS T 5.1 -5.1
LIQUID EQUIV MM 0.50 MM
SINCE 7/1 6.8 24.8 -18.0
LIQUID 7/1 0.68
DAYS >= TRACE 4 2.6 1.4
DAYS >= 1.0 0 1.7 -1.7
GREATEST
SNOW DEPTH 0 MM
24 HR TOTAL T MM
STORM TOTAL MM
(MM/DD(HH)) MM
DEGREE_DAYS
HEATING TOTAL 1384 1495 -111
SINCE 7/1 4814 5390 -576
COOLING TOTAL 15 24 -9
SINCE 1/1 15 24 -9
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 11.0
HIGHEST WIND SPEED/DIRECTION 45/170 DATE 04/13
HIGHEST GUST SPEED/DIRECTION 60/170 DATE 04/13
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.60
NUMBER OF DAYS FAIR 10
NUMBER OF DAYS PC 50
NUMBER OF DAYS CLOUDY 32
AVERAGE RH (PERCENT) 67
WEATHER CONDITIONS. NUMBER OF DAYS WITH
0
13
0
1
1
0
9
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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