PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: PITTSBURGH MONTH: DECEMBER YEAR: 2005 LATITUDE: 40 30 N LONGITUDE: 80 13 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 34 30 32 -5 33 0 T 0.2 0 6.0 14 280 M M 10 1 16 50 2 31 19 25 -12 40 0 T 0.6 0 14.8 28 260 M M 9 1 38 280 3 29 16 23 -13 42 0 0.02 0.1 T 6.1 13 270 M M 7 16 20 270 4 31 25 28 -8 37 0 0.19 1.7 1 6.6 15 270 M M 10 146 18 280 5 29 17 23 -13 42 0 0.00 0.0 T 4.3 12 310 M M 8 1 14 330 6 25 15 20 -15 45 0 T T 0 8.6 16 220 M M 8 1 20 210 7 25 10 18 -17 47 0 T T 0 8.5 20 270 M M 5 1 22 270 8 30 7 19 -16 46 0 0.25 3.0 3 6.2 16 120 M M 6 18 20 140 9 35 19 27 -7 38 0 0.09 0.7 3 12.5 26 250 M M 10 189 35 230 10 32 20 26 -8 39 0 T T 4 7.8 15 200 M M 8 1 18 240 11 32 26 29 -5 36 0 0.14 1.9 3 9.6 20 280 M M 10 1 23 270 12 27 14 21 -12 44 0 0.04 0.8 5 8.9 15 310 M M 9 1 18 320 13 26 8 17 -16 48 0 0.00 0.0 5 0.5 6 190 M M 5 7 180 14 26 10 18 -15 47 0 0.00 0.0 4 7.6 13 100 M M 8 1 M M 15 32 23 28 -5 37 0 0.59 1.4 3 9.2 17 120 M M 10 146 22 130 16 34 24 29 -3 36 0 0.03 0.6 3 8.1 20 250 M M 7 1 26 260 17 33 18 26 -6 39 0 0.00 0.0 3 4.7 13 220 M M 4 16 230 18 34 17 26 -6 39 0 0.05 0.6 4 2.9 13 280 M M 5 1 15 270 19 27 11 19 -12 46 0 0.01 0.2 4 10.4 20 290 M M 5 18 24 270 20 23 8 16 -15 49 0 T T 4 10.2 20 270 M M 5 23 280 21 29 20 25 -6 40 0 T T 4 8.9 20 260 M M 10 1 25 220 22 33 25 29 -2 36 0 T T 3 10.0 17 210 M M 10 22 210 23 45 32 39 8 26 0 0.00 0.0 3 9.1 17 200 M M 7 22 210 24 49 31 40 10 25 0 0.00 0.0 2 5.2 13 200 0 0 5 16 200 25 40 30 35 5 30 0 0.08 0.0 0 2.1 14 120 M M 10 128 18 120 26 39 31 35 5 30 0 0.08 0.4 0 14.9 30 300 M M 10 12 33 290 27 36 30 33 3 32 0 T T 0 6.9 16 280 M M 9 18 21 280 28 55 33 44 15 21 0 0.03 0.0 0 4.5 12 240 M M 10 15 240 29 47 34 41 12 24 0 0.06 0.0 0 9.0 18 270 M M 10 1 22 270 30 34 33 34 5 31 0 T T 0 7.2 17 290 M M 10 18 20 290 31 40 33 37 8 28 0 0.07 0.0 0 7.9 21 280 M M 10 1 29 270 ================================================================================ SM 1042 669 1153 0 1.73 12.2 239.2 0 250 ================================================================================ AV 33.6 21.6 7.7 FASTST PSBL % 8 MAX(MPH) MISC ----> 30 300 38 280 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: PITTSBURGH MONTH: DECEMBER YEAR: 2005 LATITUDE: 40 30 N LONGITUDE: 80 13 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 27.6 TOTAL FOR MONTH: 1.73 1 = FOG OR MIST DPTR FM NORMAL: -4.9 DPTR FM NORMAL: -1.13 2 = FOG REDUCING VISIBILITY HIGHEST: 55 ON 28 GRTST 24HR 0.59 ON 15-15 TO 1/4 MILE OR LESS LOWEST: 7 ON 8 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 12.2 INCHES 5 = HAIL GRTST 24HR 3.0 ON 8- 8 6 = FREEZING RAIN OR DRIZZLE GRTST DEPTH: 5 ON 13,12 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: 16 0.01 INCH OR MORE: 15 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 4 MIN 32 OR BELOW: 27 0.50 INCH OR MORE: 1 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 1153 CLEAR (SCALE 0-3) 0 DPTR FM NORMAL 157 PTCLDY (SCALE 4-7) 11 TOTAL FM JUL 1 2173 CLOUDY (SCALE 8-10) 20 DPTR FM NORMAL -21 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] TOTAL FM JAN 1 946 HIGHEST SLP 30.58 ON 18 DPTR FM NORMAL 220 LOWEST SLP 29.40 ON 29 [REMARKS]