Climatological Report (Seasonal) Issued by NWS Upton, NY
176
CXUS51 KOKX 011727
CLSISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
112 PM EDT SAT JUN 1 2019
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2019 TO 5/31/2019...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1963 TO 2019
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
.............................................................
TEMPERATURE (F)
RECORD
HIGH 98 05/20/1996
LOW 5 03/04/2009
HIGHEST 86 05/26 MM MM
LOWEST 14 03/08 MM MM
AVG. MAXIMUM 57.9 57.4 0.5
AVG. MINIMUM 42.3 40.6 1.7
MEAN 50.1 49.0 1.1
DAYS MAX >= 90 0 0.3 -0.3
DAYS MAX <= 32 3 1.2 1.8
DAYS MIN <= 32 21 19.5 1.5
DAYS MIN <= 0 0 0.0 0.0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 22.91 1998
MINIMUM 6.00 1995
TOTALS 14.19 12.56 1.63 15.52
DAILY AVG. 0.15 0.14 0.01
DAYS >= .01 50 32.9 17.1
DAYS >= .10 24 20.8 3.2
DAYS >= .50 13 8.0 5.0
DAYS >= 1.00 2 3.3 -1.3
GREATEST
24 HR. TOTAL 1.37 MM
STORM TOTAL MM
(MM/DD(HH)) MM
SNOWFALL (INCHES)
RECORDS
TOTAL 36.5 2018
24 HR TOTAL 14.9 MM
TOTALS 4.1 5.1 -1.0
LIQUID EQUIV 0.41 0.50 -0.09
SINCE 7/1 12.8 24.8 -12.0
LIQUID 7/1 1.28
DAYS >= TRACE 6 2.6 3.4
DAYS >= 1.0 2 1.7 0.3
GREATEST
SNOW DEPTH 2 03/02
24 HR TOTAL 1.8 MM
STORM TOTAL MM
(MM/DD(HH)) MM
DEGREE_DAYS
HEATING TOTAL 1375 1495 -120
SINCE 7/1 MM 5390 MM
COOLING TOTAL 27 24 3
SINCE 1/1 27 24 3
..............................................................
WIND (MPH)
AVERAGE WIND SPEED 10.2
HIGHEST WIND SPEED/DIRECTION 999/MM DATE MM
HIGHEST GUST SPEED/DIRECTION 47/290 DATE 03/23
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.70
NUMBER OF DAYS FAIR 11
NUMBER OF DAYS PC 40
NUMBER OF DAYS CLOUDY 41
AVERAGE RH (PERCENT) 69
WEATHER CONDITIONS. NUMBER OF DAYS WITH
0
19
0
0
1
3
5
HAZE 4
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$