PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: PITTSBURGH PA MONTH: DECEMBER YEAR: 2008 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 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 40 32 36 -1 29 0 0.01 0.2 0 13.3 25 230 M M 10 18 32 230 2 32 26 29 -8 36 0 T 0.1 0 8.7 20 260 M M 10 26 230 3 48 23 36 0 29 0 T 0.0 0 9.2 18 190 M M 6 24 190 4 49 27 38 2 27 0 0.11 0.0 0 12.7 21 290 M M 9 1 28 220 5 27 18 23 -13 42 0 T T 0 9.7 17 300 M M 9 22 280 6 29 15 22 -13 43 0 0.05 1.0 1 8.9 20 200 M M 8 1 24 200 7 29 14 22 -13 43 0 T 0.4 1 14.8 30 270 M M 7 9 43 270 8 34 15 25 -10 40 0 0.01 T T 5.9 12 150 M M 10 15 150 9 57 33 45 11 20 0 0.02 0.0 0 7.5 15 180 M M 10 18 190 10 56 31 44 10 21 0 0.33 0.0 0 8.1 28 330 M M 10 16 32 330 11 33 30 32 -2 33 0 0.45 1.8 0 7.3 14 320 M M 9 146 17 330 12 32 23 28 -5 37 0 0.03 0.8 2 10.2 18 280 M M 10 18 21 270 13 27 16 22 -11 43 0 T T 2 6.3 13 140 M M 6 18 16 150 14 50 26 38 5 27 0 0.00 0.0 0 5.4 14 200 M M 9 18 200 15 59 28 44 11 21 0 0.09 T 0 12.2 24 300 M M 10 1 31 210 16 34 24 29 -3 36 0 0.02 0.2 0 8.2 14 80 M M 10 146 18 70 17 41 31 36 4 29 0 0.17 0.0 0 8.2 18 270 M M 10 16 24 210 18 39 30 35 3 30 0 0.00 0.0 0 4.6 12 350 M M 10 1 16 340 19 53 32 43 12 22 0 1.39 0.0 0 11.9 35 280 M M 10 1 41 280 20 32 24 28 -3 37 0 T T 0 8.2 15 340 M M 10 18 360 21 33 4 19 -12 46 0 0.09 T 0 16.4 32 270 M M 6 16 41 270 22 15 2 9 -22 56 0 T T 0 11.2 25 260 M M 6 8 33 270 23 38 8 23 -8 42 0 T T 0 6.4 12 160 M M 9 6 14 170 24 57 34 46 16 19 0 1.15 0.0 0 12.1 37 280 M M 9 1 51 280 25 37 22 30 0 35 0 0.00 0.0 0 8.5 24 270 M M 6 30 270 26 51 23 37 7 28 0 0.73 0.0 0 6.0 20 160 0 0 10 1 23 160 27 68 47 58 28 7 0 0.00 0.0 0 10.3 25 220 0 0 7 33 210 28 65 34 50 21 15 0 T 0.0 0 13.3 40 270 M M 5 8 51 230 29 46 28 37 8 28 0 0.00 0.0 0 11.9 37 280 M M 1 44 270 30 40 29 35 6 30 0 T T 0 9.4 33 280 M M 6 40 270 31 44 19 32 3 33 0 0.05 0.8 T 18.3 36 270 M M 10 19 41 330 ================================================================================ SM 1295 748 984 0 4.70 5.3 305.1 0 258 ================================================================================ AV 41.8 24.1 9.8 FASTST 0 0 8 MAX(MPH) MISC ----> # 40 270 # 51 280 ================================================================================ 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 PA MONTH: DECEMBER YEAR: 2008 LATITUDE: 40 30 N LONGITUDE: 80 13 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 33.0 TOTAL FOR MONTH: 4.70 1 = FOG OR MIST DPTR FM NORMAL: 0.5 DPTR FM NORMAL: 1.84 2 = FOG REDUCING VISIBILITY HIGHEST: 68 ON 27 GRTST 24HR 1.39 ON 19-19 TO 1/4 MILE OR LESS LOWEST: 2 ON 22 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 5.3 INCHES 5 = HAIL GRTST 24HR 1.8 ON M 6 = FREEZING RAIN OR DRIZZLE GRTST DEPTH: 2 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: 8 0.01 INCH OR MORE: 16 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 7 MIN 32 OR BELOW: 27 0.50 INCH OR MORE: 3 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 2 [HDD (BASE 65) ] TOTAL THIS MO. 984 CLEAR (SCALE 0-3) 1 DPTR FM NORMAL -12 PTCLDY (SCALE 4-7) 10 TOTAL FM JUL 1 2195 CLOUDY (SCALE 8-10) 20 DPTR FM NORMAL 1 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] TOTAL FM JAN 1 663 HIGHEST SLP 30.66 ON 23 DPTR FM NORMAL -63 LOWEST SLP 29.31 ON 1 [REMARKS]