Climatological Report (Daily)
Issued by NWS Upton, NY
Issued by NWS Upton, NY
Versions:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
131
CDUS41 KOKX 200623
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
223 AM EDT WED AUG 20 2025
...................................
...THE ISLIP NY CLIMATE SUMMARY FOR AUGUST 19 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1963 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 76 134 PM 91 2002 81 -5 83
MINIMUM 59 227 AM 54 1968 66 -7 68
AVERAGE 68 74 -6 76
PRECIPITATION (IN)
YESTERDAY 0.00 5.91 1991 0.14 -0.14 0.53
MONTH TO DATE 0.15 2.68 -2.53 6.44
SINCE JUN 1 7.67 9.94 -2.27 11.43
SINCE JAN 1 23.40 28.74 -5.34 38.81
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 18 31 -13 0
SINCE JUL 1 0 1 -1 0
COOLING
YESTERDAY 3 9 -6 11
MONTH TO DATE 183 181 2 205
SINCE JUN 1 852 645 207 801
SINCE JAN 1 864 674 190 843
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (130)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 9.3
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 81 100 AM
LOWEST 41 1000 AM
AVERAGE 61
..........................................................
THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 94 1983
MINIMUM TEMPERATURE (F) 66 53 2008
SUNRISE AND SUNSET
AUGUST 20 2025........SUNRISE 608 AM EDT SUNSET 743 PM EDT
AUGUST 21 2025........SUNRISE 609 AM EDT SUNSET 741 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$