WFO Monthly/Daily Climate Data
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CXUS42 TJSJ 011310
CF6JSJ
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   SAN JUAN AREA/PR
                                          MONTH:     JANUARY
                                          YEAR:      2021
                                          LATITUDE:   18 25 N
                                          LONGITUDE:  66  0 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  84  74  79   1   0  14    T    M    M 16.4 28  70   M    M   4        33  70
 2  82  72  77  -1   0  12 0.01    M    M 14.6 28  70   M    M   6 18     32  80
 3  83  73  78   0   0  13 0.00    M    M 11.0 21  70   M    M   5        25  80
 4  83  71  77  -1   0  12 0.09    M    M  7.3 17  80   M    M   6        21  60
 5  77  71  74  -4   0   9 0.27    M    M  7.0 18  80   M    M   7 1      23  70
 6  82  68  75  -3   0  10 0.00    M    M  4.2 13  70   M    M   2        17  20
 7  83  71  77  -1   0  12    T    M    M  5.7 17  80   M    M   3        25  60
 8  84  72  78   0   0  13 0.00    M    M  6.7 21  80   M    M   3 8      23  80
 9  83  72  78   0   0  13 0.00    M    M  5.3 15  80   M    M   3        18  80
10  84  72  78   0   0  13    T    M    M  7.0 17  70   M    M   4        21  80
11  84  75  80   2   0  15 0.01    M    M  7.7 20  60   M    M   4        25  90
12  84  73  79   1   0  14    T    M    M 12.1 22  70   M    M   4        27  90
13  84  75  80   2   0  15 0.04    M    M 10.6 21  70   M    M   5 1      27  80
14  87  73  80   2   0  15    T    M    M  4.5 16  90   M    M   4 1      20  90
15  86  71  79   1   0  14    T    M    M  5.2 16  70   M    M   3        20  40
16  86  73  80   2   0  15    T    M    M  6.9 18  60   M    M   3        23  50
17  83  71  77  -1   0  12 0.06    M    M  4.4 21  90   M    M   5 1      24  90
18  85  74  80   2   0  15 0.05    M    M  9.0 21  70   M    M   5 1      25  60
19  86  74  80   2   0  15 0.12    M    M 10.9 25  90   M    M   6 1      29  90
20  84  74  79   1   0  14 0.13    M    M  9.3 23  70   M    M   4 1      28  50
21  84  71  78   0   0  13 0.01    M    M  4.2 15  60   M    M   3        20  40
22  84  72  78   0   0  13    T    M    M  6.2 18  60   M    M   2        22  70
23  85  73  79   1   0  14    T    M    M  6.1 17  60   M    M   4        22  60
24  84  74  79   1   0  14    T    M    M  7.3 16  60   M    M   4        24  30
25  84  76  80   2   0  15 0.05    M    M 11.6 18  50   M    M   6        23  50
26  84  73  79   1   0  14 0.02    M    M 10.5 24  80   M    M   5        29  70
27  83  73  78   0   0  13 0.00    M    M  9.8 21  70   M    M   4        25  70
28  85  73  79   1   0  14    T    M    M  6.7 20  70   M    M   3        24  60
29  84  72  78   0   0  13 0.02    M    M  4.1 10  20   M    M   3        17  20
30  83  71  77  -1   0  12 0.66    M    M 10.0 22  90   M    M   6 18     26  60
31  80  73  77  -1   0  12 0.50    M    M 14.6 28  80   M    M   7 18     32  80
================================================================================
SM 2594 2250         0 412  2.04    M    256.9          M      133
================================================================================
AV 83.7 72.6                               8.3 FASTST   M    M   4    MAX(MPH)
                                 MISC ---->  # 28  70                 33  70
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES

COLUMN 17 PEAK WIND IN M.P.H.

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

                                          STATION:   SAN JUAN AREA/PR
                                          MONTH:     JANUARY
                                          YEAR:      2021
                                          LATITUDE:   18 25 N
                                          LONGITUDE:  66  0 W

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

AVERAGE MONTHLY: 78.1   TOTAL FOR MONTH:   2.04    1 = FOG OR MIST
DPTR FM NORMAL:   0.5   DPTR FM NORMAL:   -1.72    2 = FOG REDUCING VISIBILITY
HIGHEST:    87 ON 14    GRTST 24HR  0.66 ON 30-30      TO 1/4 MILE OR LESS
LOWEST:     68 ON  6                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:  M            5 = HAIL
                        GRTST 24HR    M  ON   M    6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:  M  ON   M    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:   0    0.01 INCH OR MORE:  15
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   5
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   2
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.     0    CLEAR  (SCALE 0-3)   7
DPTR FM NORMAL     0    PTCLDY (SCALE 4-7)  24
TOTAL FM JUL 1     0    CLOUDY (SCALE 8-10)  0
DPTR FM NORMAL     0

[CDD (BASE 65) ]
TOTAL THIS MO.   412
DPTR FM NORMAL    21    [PRESSURE DATA]
TOTAL FM JAN 1   412    HIGHEST SLP 30.17 ON 11
DPTR FM NORMAL    21    LOWEST  SLP 29.91 ON 14

[REMARKS]
#FINAL-01-21#



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