


WFO Monthly/Daily Climate Data
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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306 CXUS51 KLWX 170815 CF6BWI PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: BALTIMORE MD MONTH: APRIL YEAR: 2025 LATITUDE: 39 10 N LONGITUDE: 76 40 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 62 40 51 1 14 0 T 0.0 M 11.0 26 310 M M 3 1 38 300 2 57 39 48 -2 17 0 0.00 0.0 0 9.2 22 110 M M 8 30 110 3 80 52 66 16 0 1 0.11 0.0 M 7.7 20 240 M M 10 1 33 220 4 75 61 68 17 0 3 0.05 0.0 0 7.3 22 310 M M 9 13 33 290 5 69 56 63 12 2 0 T 0.0 0 8.5 15 70 M M 10 8 21 90 6 61 51 56 4 9 0 0.02 0.0 0 6.0 18 330 M M 10 18 27 330 7 52 43 48 -4 17 0 0.32 0.0 0 6.7 18 50 M M 10 1 24 40 8 49 35 42 -10 23 0 0.00 0.0 0 15.0 36 300 M M 4 46 290 9 52 29 41 -12 24 0 0.00 0.0 0 5.5 15 140 M M 2 21 110 10 57 44 51 -2 14 0 T 0.0 0 9.2 20 140 M M 10 29 120 11 49 45 47 -7 18 0 1.20 0.0 0 11.0 17 40 M M 10 1 25 30 12 52 43 48 -6 17 0 0.12 0.0 0 8.9 17 330 M M 10 1 24 340 13 63 44 54 0 11 0 0.00 0.0 0 9.2 22 300 M M 7 33 300 14 73 42 58 3 7 0 0.06 0.0 0 5.0 15 110 M M 8 3 19 100 15 70 50 60 5 5 0 T 0.0 0 15.2 38 270 M M 8 51 290 16 61 46 54 -1 11 0 T 0.0 0 14.9 29 280 M M 4 41 250 ================================================================================ SM 982 720 189 4 1.88 0.0 150.3 M 123 ================================================================================ AV 61.4 45.0 9.4 FASTST M M 8 MAX(MPH) MISC ----> 38 270 51 290 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: BALTIMORE MD MONTH: APRIL YEAR: 2025 LATITUDE: 39 10 N LONGITUDE: 76 40 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 53.2 TOTAL FOR MONTH: 1.88 1 = FOG OR MIST DPTR FM NORMAL: 0.6 DPTR FM NORMAL: 0.10 2 = FOG REDUCING VISIBILITY HIGHEST: 80 ON 3 GRTST 24HR 1.32 ON 11-12 TO 1/4 MILE OR LESS LOWEST: 29 ON 9 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: 7 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 4 MIN 32 OR BELOW: 1 0.50 INCH OR MORE: 1 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1 [HDD (BASE 65) ] TOTAL THIS MO. 189 CLEAR (SCALE 0-3) 1 DPTR FM NORMAL -17 PTCLDY (SCALE 4-7) 7 TOTAL FM JUL 1 3998 CLOUDY (SCALE 8-10) 8 DPTR FM NORMAL -255 [CDD (BASE 65) ] TOTAL THIS MO. 4 DPTR FM NORMAL 0 [PRESSURE DATA] TOTAL FM JAN 1 23 HIGHEST SLP M ON M DPTR FM NORMAL 17 LOWEST SLP 29.54 ON 15 [REMARKS]