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781
CXUS51 KOKX 011010
CF6ISP
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   ISLIP NY
                                          MONTH:     DECEMBER
                                          YEAR:      2020
                                          LATITUDE:   40 47 N
                                          LONGITUDE:  73  6 W

  TEMPERATURE IN F:       :PCPN:    SNOW:  WIND      :SUNSHINE: SKY     :PK WND
================================================================================
1   2   3   4   5  6A  6B    7    8   9   10  11  12  13   14  15   16   17  18
                                     12Z  AVG MX 2MIN
DY MAX MIN AVG DEP HDD CDD  WTR  SNW DPTH SPD SPD DIR MIN PSBL S-S WX    SPD DR
================================================================================

 1  58  37  48   8  17   0 0.00  0.0    0 14.9 28 240   M    M   6 1      36 250
 2  45  34  40   0  25   0 0.00  0.0    0 12.1 24 270   M    M   4        32 260
 3  50  29  40   0  25   0 0.00  0.0    0  9.2 16 240   M    M   5        22 240
 4  53  45  49  10  16   0 0.05  0.0    0 10.3 17 220   M    M   8        23 230
 5  47  37  42   3  23   0 1.46    T    0 15.1 33 340   M    M   9 1      44 350
 6  42  31  37  -2  28   0 0.00  0.0    0 14.8 24 310   M    M   2        32 300
 7  41  26  34  -4  31   0 0.00  0.0    0  5.1 14  10   M    M   4        18  30
 8  33  24  29  -9  36   0 0.00  0.0    0 12.3 22 340   M    M   7        26 340
 9  39  21  30  -8  35   0    T    T    0  7.4 18 260   M    M   6 18     23 260
10  50  29  40   3  25   0 0.00  0.0    0  7.5 21 330   M    M   2        25 330
11  53  26  40   3  25   0 0.00  0.0    0  6.7 20 190   M    M   4 1      26 210
12  57  37  47  10  18   0 0.18  0.0    0  6.2 16 160   M    M   9 12     22 160
13  63  41  52  16  13   0    T  0.0    0  9.0 20 260   M    M   6        25 250
14  44  33  39   3  26   0 0.31  0.0    0  7.9 13 330   M    M   8 1      21 290
15  40  29  35  -1  30   0 0.00  0.0    0  9.1 17 300   M    M   6        21 320
16  33  24  29  -6  36   0 0.36  5.7    0 14.1 31  60   M    M   7 124    41  70
17  35  24  30  -5  35   0 0.64  1.7    3 18.6 36 360   M    M   8 1249   51 360
18  30  23  27  -8  38   0 0.00  0.0    5 11.2 17 330   M    M   7        20 330
19  34  19  27  -7  38   0 0.00  0.0    4  3.6 13 340   M    M   5        15 340
20  35  24  30  -4  35   0 0.06  0.1    3  1.7  7 110   M    M   8 1       7 110
21  44  33  39   5  26   0 0.00  0.0    3  4.8 12 250   M    M   9 18     15 240
22  45  35  40   6  25   0    T  0.0    2 12.4 25 290   M    M   8 18     35 300
23  45  27  36   2  29   0 0.00  0.0    1  5.5 17 290   M    M   5        23 290
24  59  41  50  17  15   0 0.02  0.0    T 16.6 29 150   M    M   9 1      40 140
25  59  32  46  13  19   0 1.05  0.0    0 19.2 35 150   M    M  10 1      52 140
26  33  24  29  -4  36   0 0.00  0.0    0 13.6 26 240   M    M   3        31 240
27  40  23  32  -1  33   0 0.00  0.0    0  4.7 12 220   M    M   4        15 280
28  50  26  38   6  27   0 0.00  0.0    0  8.0 20 200   M    M   6        26 220
29  41  22  32   0  33   0 0.00  0.0    0 11.9 25 300   M    M   3        39 290
30  46  22  34   2  31   0 0.00  0.0    0  9.2 22 220   M    M   7        28 220
31  48  34  41   9  24   0 0.37  0.0    0 10.3 17 210   M    M   9 1      25 220
================================================================================
SM 1392  912       853   0  4.50  7.5    313.0          M      194
================================================================================
AV 44.9 29.4                              10.1 FASTST   M    M   6    MAX(MPH)
                                 MISC ---->    36 360                 52 140
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2

                                          STATION:   ISLIP NY
                                          MONTH:     DECEMBER
                                          YEAR:      2020
                                          LATITUDE:   40 47 N
                                          LONGITUDE:  73  6 W

[TEMPERATURE DATA]      [PRECIPITATION DATA]       SYMBOLS USED IN COLUMN 16

AVERAGE MONTHLY: 37.2   TOTAL FOR MONTH:   4.50    1 = FOG OR MIST
DPTR FM NORMAL:   1.6   DPTR FM NORMAL:    0.44    2 = FOG REDUCING VISIBILITY
HIGHEST:    63 ON 13    GRTST 24HR  1.50 ON  4- 5      TO 1/4 MILE OR LESS
LOWEST:     19 ON 19                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   7.5 INCHES  5 = HAIL
                        GRTST 24HR   5.7 ON 16-16  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   5 ON 18     7 = DUSTSTORM OR SANDSTORM:
                                                       VSBY 1/2 MILE OR LESS
                                                   8 = SMOKE OR HAZE
[NO. OF DAYS WITH]      [WEATHER - DAYS WITH]      9 = BLOWING SNOW
                                                   X = TORNADO
MAX 32 OR BELOW:   1    0.01 INCH OR MORE:  10
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   7
MIN 32 OR BELOW:  20    0.50 INCH OR MORE:   3
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   2

[HDD (BASE 65) ]
TOTAL THIS MO.   853    CLEAR  (SCALE 0-3)   4
DPTR FM NORMAL   -58    PTCLDY (SCALE 4-7)  21
TOTAL FM JUL 1  1624    CLOUDY (SCALE 8-10)  6
DPTR FM NORMAL  -302

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1  1059    HIGHEST SLP M ON M
DPTR FM NORMAL   272    LOWEST  SLP 29.43 ON 25

[REMARKS]
#FINAL-12-20#