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WFO Monthly/Daily Climate Data
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CXUS42 TJSJ 150446
CF6JSJ
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)

                                          STATION:   SAN JUAN AREA/PR
                                          MONTH:     MAY
                                          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  87  73  80  -1   0  15 0.00    M    M 10.5 23  60   M    M   4        30  60
 2  86  75  81   0   0  16 0.06    M    M 10.9 23  70   M    M   4        30  70
 3  86  74  80  -1   0  15 0.11    M    M 11.0 22  60   M    M   5 1      26  70
 4  87  75  81   0   0  16 0.10    M    M 11.0 25  60   M    M   4 1      30  60
 5  87  76  82   1   0  17    T    M    M 12.5 26  70   M    M   4        31  60
 6  87  75  81   0   0  16 0.00    M    M 11.6 24  60   M    M   3        29  60
 7  87  75  81   0   0  16 0.01    M    M 10.7 25  60   M    M   3        30  60
 8  87  75  81   0   0  16 0.01    M    M  9.5 23  90   M    M   4        26  90
 9  88  76  82   1   0  17 0.05    M    M 12.7 25  70   M    M   4 1      32  50
10  88  76  82   1   0  17 0.19    M    M 12.4 25  80   M    M   7 1      32  80
11  87  77  82   1   0  17 0.02    M    M  9.9 23  80   M    M   7        29  60
12  87  76  82   1   0  17    T    M    M 12.5 22  70   M    M   4        27  70
13  88  76  82   1   0  17 0.05    M    M 11.2 26  60   M    M   4 1      32  70
14  88  75  82   1   0  17 0.06  0.0    0  8.7 25  60   M    M   3 1      30  70
================================================================================
SM 1220 1054         0 229  0.66  0.0    155.1          M       60
================================================================================
AV 87.1 75.3                              11.1 FASTST   M    M   4    MAX(MPH)
                                 MISC ---->  # 26  70               # 32  50
================================================================================
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:     MAY
                                          YEAR:      2021
                                          LATITUDE:   18 25 N
                                          LONGITUDE:  66  0 W

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

AVERAGE MONTHLY: 81.2   TOTAL FOR MONTH:   0.66    1 = FOG OR MIST
DPTR FM NORMAL:   0.2   DPTR FM NORMAL:   -1.85    2 = FOG REDUCING VISIBILITY
HIGHEST:    88 ON 14,13  GRTST 24HR  0.20 ON  9-10      TO 1/4 MILE OR LESS
LOWEST:     73 ON  1                               3 = THUNDER
                        SNOW, ICE PELLETS, HAIL    4 = ICE PELLETS
                        TOTAL MONTH:   0.0 INCH    5 = HAIL
                        GRTST 24HR  0.0            6 = FREEZING RAIN OR DRIZZLE
                        GRTST DEPTH:  0            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:  10
MAX 90 OR ABOVE:   0    0.10 INCH OR MORE:   3
MIN 32 OR BELOW:   0    0.50 INCH OR MORE:   0
MIN  0 OR BELOW:   0    1.00 INCH OR MORE:   0

[HDD (BASE 65) ]
TOTAL THIS MO.     0    CLEAR  (SCALE 0-3)   1
DPTR FM NORMAL     0    PTCLDY (SCALE 4-7)  13
TOTAL FM JUL 1     0    CLOUDY (SCALE 8-10)  0
DPTR FM NORMAL     0

[CDD (BASE 65) ]
TOTAL THIS MO.   229
DPTR FM NORMAL     5    [PRESSURE DATA]
TOTAL FM JAN 1  1942    HIGHEST SLP M ON M
DPTR FM NORMAL    98    LOWEST  SLP 29.94 ON 14

[REMARKS]
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