WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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CXUS52 TJSJ 240851
CF6JSJ
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: SAN JUAN AREA/PR
MONTH: DECEMBER
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 86 74 80 0 0 15 0.01 M M 6.3 14 60 M M 5 24 20
2 85 76 81 1 0 16 0.05 M M 3.9 13 70 M M 4 19 30
3 87 75 81 2 0 16 0.06 M M 6.3 20 60 M M 3 1 26 60
4 86 76 81 2 0 16 0.27 M M 6.6 20 100 M M 5 28 110
5 86 75 81 2 0 16 0.09 M M 7.5 21 70 M M 3 30 60
6 86 74 80 1 0 15 0.20 M M 7.8 20 60 M M 5 1 28 60
7 86 73 80 1 0 15 0.05 M M 6.9 20 70 M M 5 27 80
8 88 75 82 3 0 17 T M M 4.1 15 90 M M 4 24 160
9 83 74 79 0 0 14 0.04 M M 4.6 16 70 M M 5 21 80
10 85 73 79 0 0 14 0.08 M M 6.0 25 90 M M 5 31 90
11 88 75 82 3 0 17 T M M 7.4 20 90 M M 4 1 25 90
12 88 76 82 3 0 17 0.14 M M 8.2 22 90 M M 3 1 28 90
13 85 75 80 1 0 15 0.54 M M 9.3 24 80 M M 5 1 33 70
14 89 73 81 2 0 16 T M M 6.5 21 90 M M 3 25 80
15 86 74 80 1 0 15 T M M 5.0 16 80 M M 3 25 30
16 85 72 79 0 0 14 T M M 4.0 20 60 M M 3 23 50
17 86 74 80 1 0 15 0.23 M M 5.6 20 90 M M 4 1 25 80
18 86 71 79 0 0 14 0.17 M M 5.5 23 70 M M 3 18 29 70
19 85 74 80 1 0 15 0.26 0.0 0 6.3 18 90 M M 3 1 24 60
20 85 75 80 2 0 15 0.16 M M 5.6 18 80 M M 4 1 26 70
21 84 73 79 1 0 14 0.19 0.0 0 8.3 23 70 M M 5 1 30 70
22 84 74 79 1 0 14 0.23 M M 7.7 16 60 M M 4 24 80
23 84 74 79 1 0 14 0.11 M M 10.7 24 80 M M 6 18 33 80
================================================================================
SM 1973 1705 0 349 2.88 0.0 150.1 M 94
================================================================================
AV 85.8 74.1 6.5 FASTST M M 4 MAX(MPH)
MISC ----> 25 90 # 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: DECEMBER
YEAR: 2025
LATITUDE: 18 25 N
LONGITUDE: 66 0 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 80.0 TOTAL FOR MONTH: 2.88 1 = FOG OR MIST
DPTR FM NORMAL: 1.0 DPTR FM NORMAL: -0.88 2 = FOG REDUCING VISIBILITY
HIGHEST: 89 ON 14 GRTST 24HR 0.54 ON 13-13 TO 1/4 MILE OR LESS
LOWEST: 71 ON 18 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: 18
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 11
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 1
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 0 CLEAR (SCALE 0-3) 6
DPTR FM NORMAL 0 PTCLDY (SCALE 4-7) 17
TOTAL FM JUL 1 0 CLOUDY (SCALE 8-10) 0
DPTR FM NORMAL 0
[CDD (BASE 65) ]
TOTAL THIS MO. 349
DPTR FM NORMAL 29 [PRESSURE DATA]
TOTAL FM JAN 1 6055 HIGHEST SLP M ON M
DPTR FM NORMAL 362 LOWEST SLP 29.86 ON 2
[REMARKS]