WFO Monthly/Daily Climate Data
Issued by NWS
Issued by NWS
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CXUS52 TJSJ 060859
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
================================================================================
SM 430 376 0 79 0.48 M 30.6 M 20
================================================================================
AV 86.0 75.2 6.1 FASTST M M 4 MAX(MPH)
MISC ----> 21 70 30 60
================================================================================
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: 80.6 TOTAL FOR MONTH: 0.48 1 = FOG OR MIST
DPTR FM NORMAL: 1.2 DPTR FM NORMAL: -0.46 2 = FOG REDUCING VISIBILITY
HIGHEST: 87 ON 3 GRTST 24HR 0.32 ON 3- 4 TO 1/4 MILE OR LESS
LOWEST: 74 ON 1 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: 5
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 1
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) 2
DPTR FM NORMAL 0 PTCLDY (SCALE 4-7) 3
TOTAL FM JUL 1 0 CLOUDY (SCALE 8-10) 0
DPTR FM NORMAL 0
[CDD (BASE 65) ]
TOTAL THIS MO. 79
DPTR FM NORMAL 9 [PRESSURE DATA]
TOTAL FM JAN 1 5785 HIGHEST SLP M ON M
DPTR FM NORMAL 342 LOWEST SLP 29.86 ON 2
[REMARKS]