058
CXUS51 KOKX 011614 RRB
CLMISP
NYCCLMISP 000
TTAA00 OKX 011611
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
1111 AM EST SUN FEB 01 2026
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1963 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
............................................................
TEMPERATURE (F)
RECORD
HIGH 69 01/29/2002
LOW -8 01/18/1965
HIGHEST 51 01/09 MM MM 54 01/01
01/10
01/14
LOWEST 0 01/31 MM MM 7 01/22
AVG. MAXIMUM 36.1 39.2 -3.1 37.4
AVG. MINIMUM 23.1 24.6 -1.5 23.4
MEAN 29.6 31.9 -2.3 30.4
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 12 7.2 4.8 7
DAYS MIN <= 32 25 24.8 0.2 27
DAYS MIN <= 0 1 0.0 1.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 10.30 1979
MINIMUM 0.51 1970
TOTALS 2.58 3.66 -1.08 0.60
DAILY AVG. 0.08 0.12 -0.04 0.02
DAYS >= .01 11 11.1 -0.1 4
DAYS >= .10 4 6.6 -2.6 3
DAYS >= .50 2 2.6 -0.6 0
DAYS >= 1.00 1 0.8 0.2 0
GREATEST
24 HR. TOTAL 1.15 01/25 TO 01/26 0.53 12/31 TO 12/31
STORM TOTAL 1.13 0.23
(MM/DD(HH)) MM
SNOWFALL (INCHES)
RECORDS
TOTAL 34.4 2011
24 HR TOTAL MM
TOTALS 14.9 10.3 4.6 2.7
LIQUID EQUIV 1.50 1.00 0.50 0.27
SINCE 7/1 27.4 15.3 12.1 MM
LIQUID 7/1 2.74 1.50 1.24 MM
DAYS >= TRACE 9 3.8 5.2 6
DAYS >= 1.0 1 2.2 -1.2 1
GREATEST
SNOW DEPTH 9 01/26 1 01/24
01/25
01/26
24 HR TOTAL 14.9 MM
STORM TOTAL 12.9 2.3
(MM/DD(HH)) MM
DEGREE DAYS
HEATING TOTAL 1089 1026 63 1066
SINCE 7/1 2822 2833 -11 MM
COOLING TOTAL 0 0 0 0
SINCE 1/1 0 0 0 MM
............................................................
WIND (MPH)
AVERAGE WIND SPEED 10.5
HIGHEST WIND SPEED/DIRECTION 35/320 DATE 01/23
HIGHEST GUST SPEED/DIRECTION 51/300 DATE 01/11
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.55
NUMBER OF DAYS FAIR 6
NUMBER OF DAYS PC 16
NUMBER OF DAYS CLOUDY 9
AVERAGE RH (PERCENT) 62
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 1
LIGHT RAIN 9 FREEZING RAIN 0
LT FREEZING RAIN 1 HAIL 0
HEAVY SNOW 1 SNOW 1
LIGHT SNOW 9 SLEET 2
FOG 12 FOG W/VIS <= 1/4 MILE 2
HAZE 4
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page