PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: PITTSBURGH MONTH: DECEMBER YEAR: 2006 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 70 34 52 15 13 0 0.29 T 0 14.3 37 230 M M 10 13 53 230 2 36 25 31 -6 34 0 0.00 0.0 0 8.4 21 270 M M 7 26 270 3 42 25 34 -2 31 0 0.00 0.0 0 7.4 21 290 M M 9 24 290 4 27 19 23 -13 42 0 T T 0 11.5 22 280 M M 7 25 280 5 30 21 26 -10 39 0 T T 0 7.9 17 270 M M 6 24 260 6 50 23 37 2 28 0 T 0.0 0 11.6 25 220 M M 9 37 230 7 42 17 30 -5 35 0 0.07 0.7 0 15.4 30 290 M M 9 19 33 310 8 23 17 20 -15 45 0 T T T 10.6 20 270 M M 6 25 270 9 36 18 27 -7 38 0 0.00 0.0 0 10.1 17 190 M M 5 21 200 10 51 32 42 8 23 0 0.00 0.0 0 8.8 16 200 M M 3 20 210 11 56 37 47 13 18 0 0.00 0.0 0 3.8 9 200 M M 8 12 150 12 62 32 47 14 18 0 0.01 M 0 8.1 18 150 M M 7 24 140 13 55 41 48 15 17 0 0.14 M 0 8.1 22 210 M M 6 30 200 14 58 40 49 16 16 0 0.00 0.0 0 8.7 16 200 M M 6 23 200 15 56 41 49 16 16 0 T 0.0 0 13.4 29 300 M M 8 38 270 16 46 30 38 6 27 0 0.00 0.0 0 4.3 13 300 M M 8 14 290 17 60 40 50 18 15 0 0.09 0.0 0 8.4 18 240 M M 10 1 24 220 18 58 32 45 13 20 0 0.01 0.0 0 8.4 23 330 M M 7 1 25 350 19 38 26 32 1 33 0 0.00 0.0 0 4.5 15 310 M M 5 17 300 20 47 21 34 3 31 0 0.00 0.0 0 1.5 9 160 M M 4 18 10 170 21 45 34 40 9 25 0 0.03 0.0 0 2.7 7 80 M M 10 1 10 40 22 54 41 48 17 17 0 0.66 0.0 0 7.6 17 140 M M 10 12 22 130 23 52 40 46 15 19 0 0.01 0.0 0 10.0 21 270 M M 9 1 29 230 24 44 30 37 7 28 0 T 0.0 0 6.6 18 250 M M 7 24 270 25 47 29 38 8 27 0 0.36 0.0 0 5.8 17 100 M M 9 1 21 70 26 46 34 40 10 25 0 0.01 T 0 11.2 22 310 M M 9 12 26 310 27 39 32 36 6 29 0 0.01 M 0 9.1 20 270 M M 7 1 26 280 28 45 31 38 9 27 0 0.00 0.0 0 3.3 9 200 M M 9 12 210 29 52 29 41 12 24 0 0.00 0.0 0 1.2 8 140 M M 7 10 150 30 54 27 41 12 24 0 0.00 0.0 0 2.8 13 360 M M 5 15 360 31 55 33 44 15 21 0 0.32 0.0 0 6.7 16 160 M M 9 18 22 140 ================================================================================ SM 1476 931 805 0 2.01 0.7 242.2 M 231 ================================================================================ AV 47.6 30.0 7.8 FASTST PSBL % 7 MAX(MPH) MISC ----> # 37 230 # 53 230 ================================================================================ 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: 2006 LATITUDE: 40 30 N LONGITUDE: 80 13 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 38.8 TOTAL FOR MONTH: 2.01 1 = FOG OR MIST DPTR FM NORMAL: 6.3 DPTR FM NORMAL: -0.85 2 = FOG REDUCING VISIBILITY HIGHEST: 70 ON 1 GRTST 24HR 0.68 ON 21-22 TO 1/4 MILE OR LESS LOWEST: 17 ON 8, 7 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 0.7 INCH 5 = HAIL GRTST 24HR 0.7 ON M 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: 3 0.01 INCH OR MORE: 8 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 5 MIN 32 OR BELOW: 20 0.50 INCH OR MORE: 1 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 805 CLEAR (SCALE 0-3) 1 DPTR FM NORMAL -191 PTCLDY (SCALE 4-7) 15 TOTAL FM JUL 1 1953 CLOUDY (SCALE 8-10) 15 DPTR FM NORMAL -241 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] TOTAL FM JAN 1 663 HIGHEST SLP 30.60 ON 29 DPTR FM NORMAL -63 LOWEST SLP 29.33 ON 1 [REMARKS]