Climatological Report (Annual) Issued by NWS Upton, NY
000
CXUS51 KOKX 021806
CLAISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
103 PM EST TUE JAN 2 2018
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR THE YEAR OF 2017...
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 DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 102 07/05/1999
LOW -7 01/15/1988
01/22/1984
HIGHEST 93 07/21 MM MM 97 08/14
06/13
LOWEST 4 01/09 MM MM 0 02/14
AVG. MAXIMUM 62.3 60.3 2.0 63.3
AVG. MINIMUM 46.2 44.3 1.9 46.2
MEAN 54.2 52.3 1.9 54.7
DAYS MAX >= 90 8 4.8 3.2 15
DAYS MAX <= 32 20 18.3 1.7 11
DAYS MIN <= 32 90 97.9 -7.9 84
DAYS MIN <= 0 0 0.1 -0.1 1
PRECIPITATION (INCHES)
RECORD
MAXIMUM 65.32 1989
MINIMUM 34.41 1985
TOTALS 43.44 46.24 -2.80 34.99
DAILY AVG. 0.12 0.13 -0.01 0.09
DAYS >= .01 120 118.9 1.1 114
DAYS >= .10 76 75.2 0.8 64
DAYS >= .50 27 30.5 -3.5 29
DAYS >= 1.00 11 11.8 -0.8 7
GREATEST
24 HR. TOTAL 4.02 MM 12/31 TO 12/31
12/31 TO 12/31
12/31 TO 12/31
STORM TOTAL MM MM
(MM/DD(HH)) MM 12/31(00) TO 12/31(00)
12/31(00) TO 12/31(00)1
12/31(00) TO 12/31(00)1
SNOWFALL (INCHES)
RECORDS
TOTAL MM MM
24 HR TOTAL 23.4 MM
SNOW DEPTH MM MM
TOTALS 42.1 24.8 17.3 44.6
LIQUID EQUIV 4.21 2.50 1.71 4.46
SINCE 7/1 6.0 5.9 0.1 3.2
LIQUID 7/1 0.60 0.60 0.00 0.32
SNOWDEPTH AVG. 0 MM MM 0
DAYS >= TRACE 26 12.3 13.7 29
DAYS >= 1.0 11 7.5 3.5 6
GREATEST
SNOW DEPTH 13 02/10 23 01/24
24 HR TOTAL 14.3 MM 12/31 TO 12/31
12/31 TO 12/31
12/31 TO 12/31
STORM TOTAL MM MM
(MM/DD(HH)) MM 12/31(00) TO 12/31(00)
12/31(00) TO 12/31(00)1
12/31(00) TO 12/31(00)1
DEGREE_DAYS
HEATING TOTAL 4815 5426 -611 4776
SINCE 7/1 MM 1927 MM MM
COOLING TOTAL 972 787 185 1124
SINCE 1/1 972 787 185 1124
..................................................
WIND (MPH)
AVERAGE WIND SPEED 9.4
RESULTANT WIND SPEED/DIRECTION 2/277
HIGHEST WIND SPEED/DIRECTION 41/140 DATE 10/29
HIGHEST GUST SPEED/DIRECTION 56/130 DATE 10/29
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.60
NUMBER OF DAYS FAIR 66
NUMBER OF DAYS PC 171
NUMBER OF DAYS CLOUDY 128
AVERAGE RH (PERCENT) 71
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 16 RAIN 53
LIGHT RAIN 140 FREEZING RAIN 1
LT FREEZING RAIN 2 HAIL 1
HEAVY SNOW 2 SNOW 8
LIGHT SNOW 23 SLEET 4
FOG 172 FOG W/VIS <= 1/4 MILE 40
HAZE 17
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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