Climatological Report (Monthly)
Issued by NWS Upton, NY

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000
CXUS51 KOKX 011455
CLMISP

CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
1049 AM EDT TUE AUG 01 2023

...................................

...THE ISLIP NY CLIMATE SUMMARY FOR THE MONTH OF JULY 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1963 TO 2023

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              49   07/02/1965
HIGHEST           91   07/12         MM      MM       95  07/20
LOWEST            61   07/31         MM      MM       60  07/11
AVG. MAXIMUM    84.4               82.8     1.6     85.2
AVG. MINIMUM    69.7               67.3     2.4     69.1
MEAN            77.0               75.0     2.0     77.1
DAYS MAX >= 90     1                4.0    -3.0        5
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.0     0.0        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        8.36   1984
 MINIMUM        0.59   1966
TOTALS          7.19               3.26    3.93     1.27
DAILY AVG.      0.23               0.11    0.12     0.04
DAYS >= .01       11                9.1     1.9        8
DAYS >= .10        9                5.5     3.5        3
DAYS >= .50        2                2.2    -0.2        1
DAYS >= 1.00       1                0.8     0.2        0
GREATEST
 24 HR. TOTAL   4.65   07/16 TO 07/16               0.57  07/21 TO 07/21
 STORM TOTAL    4.65                                0.57
 (MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
 TOTAL             T   1999
 24 HR TOTAL       T   MM
TOTALS           0.0                0.0     0.0      0.0
 LIQUID EQUIV   0.00               0.00    0.00     0.00
SINCE 7/1        0.0                0.0     0.0       MM
 LIQUID 7/1     0.00               0.00    0.00       MM
DAYS >= TRACE      0                0.0     0.0        0
DAYS >= 1.0        0                0.0     0.0        0
GREATEST
 SNOW DEPTH        0                                   0  MM
 24 HR TOTAL      MM    MM                           0.0
 STORM TOTAL     0.0                                 0.0
 (MM/DD(HH))            MM

DEGREE DAYS
HEATING TOTAL      0                  1      -1        0
 SINCE 7/1         0                  0       0       MM
COOLING TOTAL    381                312      69      383
 SINCE 1/1       515                493      22       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              7.7
HIGHEST WIND SPEED/DIRECTION    28/310    DATE  07/29
HIGHEST GUST SPEED/DIRECTION    41/320    DATE  07/29

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.52
NUMBER OF DAYS FAIR            8
NUMBER OF DAYS PC             18
NUMBER OF DAYS CLOUDY          5

AVERAGE RH (PERCENT)     78

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              7     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       6
LIGHT RAIN               12     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      19     FOG W/VIS <= 1/4 MILE      0
HAZE                      6

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$


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