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520
CXUS51 KBUF 010905
CF6ROC
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   ROCHESTER NY
                                          MONTH:     DECEMBER
                                          YEAR:      2020
                                          LATITUDE:   43  7 N
                                          LONGITUDE:  77 40 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  40  31  36   1  29   0 0.11  0.7    0 10.1 18 250   M    M  10 1      23 250
 2  38  29  34   0  31   0 0.19  2.0    2 16.0 30 280   M    M   6 1      43 290
 3  46  31  39   5  26   0 0.00  0.0    1 14.1 24 250   M    M   7        34 250
 4  44  35  40   6  25   0 0.11  0.0    0 10.6 24 270   M    M  10 1      37 280
 5  38  30  34   1  31   0 0.11  0.5    0  8.4 16 360   M    M  10 1      21 350
 6  34  28  31  -2  34   0    T  0.1    T 11.0 18 290   M    M   9 6      24 290
 7  32  25  29  -4  36   0    T    T    0  7.9 15 340   M    M   8        22 320
 8  35  26  31  -1  34   0 0.00  0.0    0  8.7 18 310   M    M   7        23 270
 9  38  32  35   3  30   0 0.14  1.0    T 12.0 20 240   M    M  10 1      24 270
10  42  31  37   5  28   0 0.05    T    0  6.7 15 300   M    M   9 1      20 290
11  56  28  42  11  23   0 0.00  0.0    0  4.8 15 220   M    M   6 1      21 230
12  54  32  43  12  22   0 0.07  0.0    0  6.6 22 270   M    M   9 1      29 270
13  48  33  41  10  24   0    T  0.0    0 12.0 30 270   M    M  10        41 270
14  36  30  33   3  32   0    T    T    0  8.6 25 300   M    M   9 1      34 300
15  31  22  27  -3  38   0 0.01  0.4    T  8.2 17 330   M    M   9 1      25 280
16  24  18  21  -9  44   0 0.14  1.7    T 11.2 16  70   M    M  10 1      21 110
17  26  20  23  -6  42   0 0.12  1.2    2  6.0 18  70   M    M  10 1      22  80
18  28  13  21  -8  44   0    T    T    2  4.7  9 290   M    M   6 1      12 300
19  35  13  24  -5  41   0    T    T    1  7.2 13 200   M    M   7        16 200
20  37  32  35   6  30   0 0.09  0.8    1  8.3 15 220   M    M  10 1      22 220
21  40  33  37   9  28   0 0.01    T    1  4.6 14 210   M    M  10 1      17 230
22  39  33  36   8  29   0 0.01    T    T 11.5 25 300   M    M   9 1      35 290
23  44  32  38  10  27   0 0.00  0.0    0 10.5 22 190   M    M  10        30 190
24  53  37  45  17  20   0 0.51  0.0    0 13.6 29 180   M    M  10 1      42 180
25  37  23  30   3  35   0 0.28  0.3    0 16.6 26 260   M    M  10 16     37 250
26  26  20  23  -4  42   0 0.06  1.3    1 18.5 25 260   M    M  10 1      34 240
27  37  26  32   5  33   0    T    T    1  9.6 18 190   M    M   9        26 200
28  42  29  36   9  29   0 0.01    T    T 17.3 44 270   M    M  10        58 280
29  30  19  25  -1  40   0 0.01  0.5    T  8.2 21 290   M    M   8 1      29 300
30  45  23  34   8  31   0 0.08    T    T 14.8 26 220   M    M  10 46     38 210
31  39  32  36  10  29   0 0.02    T    0 10.8 22 260   M    M  10 1      28 270
================================================================================
SM 1194  846       987   0  2.13 10.5    319.1          M      278
================================================================================
AV 38.5 27.3                              10.3 FASTST   M    M   9    MAX(MPH)
                                 MISC ---->    44 270                 58 280
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:   ROCHESTER NY
                                          MONTH:     DECEMBER
                                          YEAR:      2020
                                          LATITUDE:   43  7 N
                                          LONGITUDE:  77 40 W

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

AVERAGE MONTHLY: 32.9   TOTAL FOR MONTH:   2.13    1 = FOG OR MIST
DPTR FM NORMAL:   2.9   DPTR FM NORMAL:   -0.50    2 = FOG REDUCING VISIBILITY
HIGHEST:    56 ON 11    GRTST 24HR  0.77 ON 24-25      TO 1/4 MILE OR LESS
LOWEST:     13 ON 19,18                             3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:  10.5 INCHES  5 = HAIL
                        GRTST 24HR   2.0 ON  2- 2  6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:   2 ON 18,17  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:   7    0.01 INCH OR MORE:  20
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   9
MIN 32 OR BELOW:  26    0.50 INCH OR MORE:   1
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.   987    CLEAR  (SCALE 0-3)   0
DPTR FM NORMAL   -98    PTCLDY (SCALE 4-7)   8
TOTAL FM JUL 1  2138    CLOUDY (SCALE 8-10) 23
DPTR FM NORMAL  -315

[CDD (BASE 65) ]
TOTAL THIS MO.     0
DPTR FM NORMAL     0    [PRESSURE DATA]
TOTAL FM JAN 1   797    HIGHEST SLP 30.57 ON 29
DPTR FM NORMAL   258    LOWEST  SLP 29.37 ON 25

[REMARKS]
#FINAL-12-20#