Climatological Report (Annual) Issued by NWS Upton, NY
443
CXUS51 KOKX 021717
CLAISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
1207 PM EST THU JAN 2 2020
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR THE YEAR OF 2019...
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 DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 102 07/05/1999
LOW -7 01/15/1988
01/22/1984
HIGHEST 99 07/21 MM MM 95 07/01
LOWEST 3 01/31 MM MM 2 01/07
AVG. MAXIMUM 61.5 60.3 1.2 61.5
AVG. MINIMUM 45.3 44.3 1.0 45.8
MEAN 53.4 52.3 1.1 53.7
DAYS MAX >= 90 8 4.8 3.2 8
DAYS MAX <= 32 11 18.3 -7.3 14
DAYS MIN <= 32 107 97.9 9.1 103
DAYS MIN <= 0 0 0.1 -0.1 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 65.32 1989
MINIMUM MM MM
TOTALS 48.73 46.24 2.49 64.17
DAILY AVG. 0.13 0.13 0.00 0.18
DAYS >= .01 145 118.9 26.1 149
DAYS >= .10 90 75.2 14.8 88
DAYS >= .50 38 30.5 7.5 46
DAYS >= 1.00 10 11.8 -1.8 26
GREATEST
24 HR. TOTAL 2.18 MM 12/31 TO 12/31
12/31 TO 12/31EATHER OBSERVED NORMAL DEPART LAST YEAR`S
12/31 TO 12/31EATHER OBSERVED NORMAL DEPART LAST YEAR`S
STORM TOTAL MM MM
(MM/DD(HH)) MM 12/31(00) TO 12/31(00)
12/31(00) TO 12/31(00)1EATHER OBSERVED NORMAL DEPART LAST YEAR`S
12/31(00) TO 12/31(00)1EATHER OBSERVED NORMAL DEPART LAST YEAR`S
SNOWFALL (INCHES)
RECORDS
TOTAL MM MM
24 HR TOTAL 23.4 MM
SNOW DEPTH MM MM
TOTALS 12.8 24.8 -12.0 64.2
LIQUID EQUIV 1.28 2.50 -1.22 6.42
SINCE 7/1 4.3 5.9 -1.6 4.3
LIQUID 7/1 0.43 0.60 -0.17 0.43
SNOWDEPTH AVG. 0 MM MM 0
DAYS >= TRACE 26 12.3 13.7 32
DAYS >= 1.0 6 7.5 -1.5 9
GREATEST
SNOW DEPTH 2 12/03 18 03/22
03/02
24 HR TOTAL 2.0 MM 12/31 TO 12/31
12/31 TO 12/31EATHER OBSERVED NORMAL DEPART LAST YEAR`S
12/31 TO 12/31EATHER OBSERVED NORMAL DEPART LAST YEAR`S
STORM TOTAL MM MM
(MM/DD(HH)) MM 12/31(00) TO 12/31(00)
12/31(00) TO 12/31(00)1EATHER OBSERVED NORMAL DEPART LAST YEAR`S
12/31(00) TO 12/31(00)1EATHER OBSERVED NORMAL DEPART LAST YEAR`S
DEGREE_DAYS
HEATING TOTAL 5091 5426 -335 5128
SINCE 7/1 MM 1927 MM MM
COOLING TOTAL 985 787 198 1115
SINCE 1/1 985 787 198 1115
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WIND (MPH)
AVERAGE WIND SPEED 9.4
RESULTANT WIND SPEED/DIRECTION 2/287
HIGHEST WIND SPEED/DIRECTION 40/300 DATE 10/17
HIGHEST GUST SPEED/DIRECTION 56/270 DATE 02/25
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.60
NUMBER OF DAYS FAIR 61
NUMBER OF DAYS PC 181
NUMBER OF DAYS CLOUDY 123
AVERAGE RH (PERCENT) 71
WEATHER CONDITIONS. NUMBER OF DAYS WITH
0
54
1
0
10
9
30
HAZE 11
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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