Climatological Report (Annual) Issued by NWS Upton, NY
000
CXUS51 KOKX 021428
CLAISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
912 AM EST TUE JAN 02 2024
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR THE YEAR OF 2023...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1963 TO 2024
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 104 07/03/1966
LOW -14 02/13/1967
HIGHEST 92 09/06 MM MM 95 07/20
09/07
LOWEST 3 02/04 MM MM 6 01/30
01/31
AVG. MAXIMUM 63.5 61.1 2.4 62.9
AVG. MINIMUM 47.2 45.2 2.0 45.8
MEAN 55.4 53.1 2.3 54.3
DAYS MAX >= 90 5 8.3 -3.3 13
DAYS MAX <= 32 2 16.4 -14.4 17
DAYS MIN <= 32 72 98.3 -26.3 95
DAYS MIN <= 0 0 0.1 -0.1 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 65.32 1989
MINIMUM MM MM
TOTALS 50.19 45.99 4.20 39.61
DAILY AVG. 0.14 0.13 0.01 0.11
DAYS >= .01 128 122.0 6.0 114
DAYS >= .10 80 75.7 4.3 71
DAYS >= .50 28 30.6 -2.6 27
DAYS >= 1.00 17 11.5 5.5 5
GREATEST
24 HR. TOTAL 4.65 1.79 12/06 TO 12/07
STORM TOTAL 4.65 1.63
(MM/DD(HH)) MM
SNOWFALL (INCHES)
RECORDS
TOTAL 71.0 1978
24 HR TOTAL MM
SNOW DEPTH 26 02/09/1978
02/08/1978
TOTALS 4.6 31.8 -27.2 37.1
LIQUID EQUIV 0.50 3.10 -2.60 3.70
SINCE 7/1 T 5.0 -5.0 MM
LIQUID 7/1 -0.10 0.50 -0.60 MM
SNOWDEPTH AVG. 0 0
DAYS >= TRACE 19 13.4 5.6 10
DAYS >= 1.0 2 7.9 -5.9 2
GREATEST
SNOW DEPTH 3 02/28 24 01/30
24 HR TOTAL 3.0 MM 0.0
STORM TOTAL 1.8 23.2
(MM/DD(HH)) MM
DEGREE DAYS
HEATING TOTAL 4352 5183 -831 4904
SINCE 7/1 1587 1803 -216 MM
COOLING TOTAL 955 885 70 1136
SINCE 1/1 955 885 70 MM
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WIND (MPH)
AVERAGE WIND SPEED 8.7
RESULTANT WIND SPEED/DIRECTION 2/280
HIGHEST WIND SPEED/DIRECTION 40/320 DATE 02/03
HIGHEST GUST SPEED/DIRECTION 52/290 DATE 02/03
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.58
NUMBER OF DAYS FAIR 81
NUMBER OF DAYS PC 178
NUMBER OF DAYS CLOUDY 106
AVERAGE RH (PERCENT) 71
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 27 MIXED PRECIP 0
HEAVY RAIN 35 RAIN 55
LIGHT RAIN 155 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 1
HEAVY SNOW 1 SNOW 2
LIGHT SNOW 16 SLEET 5
FOG 163 FOG W/VIS <= 1/4 MILE 33
HAZE 22
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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