PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: BALTIMORE MONTH: DECEMBER YEAR: 2004 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 AVG MX 2MIN DY MAX MIN AVG DEP HDD CDD WTR SNW DPTH SPD SPD DIR MIN PSBL S-S WX SPD DR ================================================================================ 1 56 38 47 6 18 0 0.51 0.0 0 14.1 45 270 M M 6 1 56 280 2 51 29 40 0 25 0 0.00 0.0 0 1.1 14 270 M M 4 15 290 3 50 28 39 -1 26 0 0.00 0.0 0 6.8 29 280 M M 1 32 280 4 48 23 36 -4 29 0 0.00 0.0 0 3.0 16 220 M M 2 20 220 5 57 32 45 6 20 0 0.00 0.0 0 3.3 16 290 M M 3 21 290 6 52 37 45 6 20 0 T 0.0 0 3.5 14 80 M M 10 18 16 80 7 62 45 54 15 11 0 0.41 0.0 0 5.9 14 90 M M 9 123 16 240 8 61 39 50 11 15 0 T 0.0 0 9.0 23 280 M M 3 1 28 270 9 50 34 42 4 23 0 0.58 0.0 0 4.4 12 100 M M 9 1 15 70 10 52 49 51 13 14 0 0.16 0.0 0 6.4 14 290 M M 10 12 17 280 11 53 39 46 8 19 0 0.07 0.0 0 7.2 22 290 M M 8 1 28 290 12 49 38 44 6 21 0 0.00 0.0 0 9.7 20 280 M M 8 25 280 13 48 34 41 4 24 0 T T 0 13.7 29 280 M M 7 38 290 14 40 28 34 -3 31 0 0.00 0.0 0 11.3 21 290 M M 5 29 280 15 38 22 30 -7 35 0 0.00 0.0 0 6.8 20 310 M M 3 25 280 16 47 19 33 -3 32 0 0.00 0.0 0 2.7 13 200 M M 4 15 210 17 48 29 39 3 26 0 0.00 0.0 0 6.0 21 290 M M 2 26 270 18 47 22 35 -1 30 0 0.00 0.0 0 1.9 9 90 M M 2 1 16 30 19 40 19 30 -6 35 0 0.17 T T 5.4 30 320 M M 8 1 38 320 20 23 9 16 -20 49 0 0.00 0.0 0 14.2 26 320 M M 4 36 310 21 40 16 28 -7 37 0 0.00 0.0 0 2.3 10 230 M M 5 15 220 22 60 25 43 8 22 0 0.00 0.0 0 3.2 18 200 M M 6 24 210 23 57 34 46 11 19 0 1.03 0.0 0 13.1 26 320 M M 9 1 36 310 24 35 20 28 -7 37 0 0.00 0.0 0 6.6 18 310 M M 8 23 320 25 31 17 24 -11 41 0 0.00 0.0 0 2.5 13 320 M M 2 17 30 26 34 17 26 -8 39 0 0.00 0.0 0 6.3 16 320 M M 9 24 290 27 31 18 25 -9 40 0 0.00 0.0 0 13.1 25 320 M M 1 32 320 28 35 14 25 -9 40 0 0.00 0.0 0 2.8 13 200 M M 6 17 200 29 50 32 41 7 24 0 0.00 0.0 0 3.1 9 250 M M 9 13 260 30 47 29 38 4 27 0 0.00 0.0 0 2.0 12 110 M M 8 18 13 110 31 60 37 49 16 16 0 0.00 0.0 0 4.7 18 230 M M 8 18 25 220 ================================================================================ SM 1452 872 845 0 2.93 T 196.1 M 179 ================================================================================ AV 46.8 28.1 6.3 FASTST PSBL % 6 MAX(MPH) MISC ----> 45 270 56 280 ================================================================================ 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 MONTH: DECEMBER YEAR: 2004 LATITUDE: 39 10 N LONGITUDE: 76 40 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 37.5 TOTAL FOR MONTH: 2.93 1 = FOG DPTR FM NORMAL: 0.8 DPTR FM NORMAL: -0.42 2 = FOG REDUCING VISIBILITY HIGHEST: 62 ON 7 GRTST 24HR 1.03 ON 23-23 TO 1/4 MILE OR LESS LOWEST: 9 ON 20 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: T 5 = HAIL GRTST 24HR T ON 19-19 6 = GLAZE OR RIME GRTST DEPTH: 0 7 = BLOWING DUST OR SAND: 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: 3 0.01 INCH OR MORE: 7 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 6 MIN 32 OR BELOW: 20 0.50 INCH OR MORE: 3 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1 [HDD (BASE 65) ] TOTAL THIS MO. 845 CLEAR (SCALE 0-3) 9 DPTR FM NORMAL -17 PTCLDY (SCALE 4-7) 9 SEASONAL TOTAL 1639 CLOUDY (SCALE 8-10) 13 DPTR FM NORMAL -132 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] SEASONAL TOTAL 1227 HIGHEST SLP 30.66 ON 28 DPTR FM NORMAL 80 LOWEST SLP 29.42 ON 11 [REMARKS]