WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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CXUS52 TJSJ 300808
CF6JSJ
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: SAN JUAN AREA/PR
MONTH: SEPTEMBER
YEAR: 2025
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 91 77 84 0 0 19 0.01 M M 6.2 21 60 M M 5 26 50
2 91 79 85 1 0 20 T M M 6.3 24 80 M M 4 32 80
3 92 80 86 2 0 21 0.07 M M 5.2 20 70 M M 3 27 90
4 90 79 85 2 0 20 0.00 M M 8.7 22 70 M M 3 27 60
5 89 80 85 2 0 20 0.06 M M 5.5 21 80 M M 3 3 25 80
6 89 79 84 1 0 19 0.15 M M 4.1 16 70 M M 4 13 22 110
7 89 76 83 0 0 18 0.23 M M 5.4 20 80 M M 6 3 26 90
8 88 76 82 -1 0 17 0.31 M M 3.8 24 80 M M 6 13 37 80
9 89 77 83 0 0 18 T M M 4.3 16 70 M M 4 3 22 60
10 94 78 86 3 0 21 0.84 M M 4.7 25 80 M M 3 1 31 110
11 90 80 85 2 0 20 0.11 M M 6.4 21 60 M M 4 38 26 60
12 89 80 85 2 0 20 0.02 M M 5.0 17 60 M M 3 27 10
13 88 79 84 1 0 19 0.22 M M 3.7 17 110 M M 3 3 22 110
14 90 78 84 1 0 19 0.52 M M 5.4 18 80 M M 4 138 34 140
15 90 78 84 1 0 19 0.05 M M 8.3 24 70 M M 4 13 30 80
16 89 80 85 2 0 20 0.05 M M 10.8 22 70 M M 5 13 27 70
17 91 78 85 2 0 20 0.39 M M 10.5 23 60 M M 5 1 28 60
18 82 76 79 -4 0 14 0.56 M M 3.3 20 80 M M 6 1 25 80
19 91 76 84 1 0 19 0.04 M M 3.9 13 250 M M 4 1 18 180
20 92 76 84 1 0 19 0.32 M M 2.8 16 60 M M 3 13 24 360
21 90 78 84 1 0 19 T M M 4.6 20 70 M M 3 25 60
22 89 78 84 1 0 19 0.24 M M 5.8 20 60 M M 4 138 27 30
23 90 78 84 1 0 19 0.51 M M 7.9 18 80 M M 4 1 29 50
24 86 76 81 -2 0 16 1.14 M M 5.6 18 60 M M 6 1 25 60
25 88 77 83 0 0 18 0.17 M M 6.7 21 70 M M 6 26 80
26 90 79 85 2 0 20 0.02 M M 5.6 16 60 M M 3 26 70
27 89 77 83 0 0 18 0.50 M M 3.3 15 210 M M 3 13 23 200
28 95 78 87 4 0 22 T M M 4.7 15 200 M M 2 23 200
29 93 79 86 3 0 21 0.04 M M 5.4 15 150 M M 3 23 160
================================================================================
SM 2604 2262 0 554 6.57 M 163.9 M 116
================================================================================
AV 89.8 78.0 5.7 FASTST M M 4 MAX(MPH)
MISC ----> 25 80 37 80
================================================================================
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: SEPTEMBER
YEAR: 2025
LATITUDE: 18 25 N
LONGITUDE: 66 0 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 83.9 TOTAL FOR MONTH: 6.57 1 = FOG OR MIST
DPTR FM NORMAL: 0.8 DPTR FM NORMAL: 0.26 2 = FOG REDUCING VISIBILITY
HIGHEST: 95 ON 28 GRTST 24HR 2.43 ON 31- 1 TO 1/4 MILE OR LESS
LOWEST: 76 ON 24,20 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: 24
MAX 90 OR ABOVE: 16 0.10 INCH OR MORE: 15
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 6
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1
[HDD (BASE 65) ]
TOTAL THIS MO. 0 CLEAR (SCALE 0-3) 7
DPTR FM NORMAL 0 PTCLDY (SCALE 4-7) 22
TOTAL FM JUL 1 0 CLOUDY (SCALE 8-10) 0
DPTR FM NORMAL 0
[CDD (BASE 65) ]
TOTAL THIS MO. 554
DPTR FM NORMAL 32 [PRESSURE DATA]
TOTAL FM JAN 1 4599 HIGHEST SLP M ON M
DPTR FM NORMAL 266 LOWEST SLP 29.83 ON 17
[REMARKS]