PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: PITTSBURGH PA MONTH: SEPTEMBER YEAR: 2009 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 73 49 61 -7 4 0 0.00 0.0 0 4.1 14 120 M M 1 18 130 2 76 48 62 -6 3 0 0.00 0.0 0 3.8 14 150 M M 0 18 160 3 78 50 64 -4 1 0 0.00 0.0 0 2.8 10 100 M M 2 17 30 4 80 51 66 -2 0 1 0.00 0.0 0 3.4 12 20 M M 2 15 10 5 81 56 69 2 0 4 0.00 0.0 0 3.8 10 10 M M 3 18 14 10 6 83 57 70 3 0 5 0.00 0.0 0 6.5 16 160 M M 5 21 160 7 69 64 67 0 0 2 0.22 0.0 0 4.9 12 200 M M 10 18 15 200 8 74 63 69 2 0 4 0.03 0.0 0 5.3 14 100 M M 9 18 17 100 9 76 62 69 3 0 4 0.01 0.0 0 4.9 13 120 M M 9 18 16 120 10 75 56 66 0 0 1 T 0.0 0 8.0 21 140 M M 7 37 160 11 70 52 61 -5 4 0 T 0.0 0 6.2 13 100 M M 7 21 40 12 70 57 64 -1 1 0 T 0.0 0 7.0 14 60 M M 10 1 17 60 13 77 55 66 1 0 1 0.00 0.0 0 6.0 15 20 M M 5 18 18 360 14 81 57 69 4 0 4 0.00 0.0 0 4.6 18 330 M M 3 18 25 350 15 81 61 71 7 0 6 0.00 0.0 0 7.2 16 340 M M 6 18 28 20 16 74 58 66 2 0 1 0.00 0.0 0 8.3 15 90 M M 5 18 50 17 75 53 64 0 1 0 0.00 0.0 0 5.0 15 80 M M 4 20 80 18 76 52 64 1 1 0 0.00 0.0 0 5.2 14 360 M M 3 18 18 350 19 74 52 63 0 2 0 0.00 0.0 0 5.1 12 80 M M 2 14 90 20 81 52 67 4 0 2 0.00 0.0 0 4.6 12 160 M M 6 16 130 21 76 66 71 9 0 6 0.02 0.0 0 5.9 13 240 M M 10 16 230 22 74 66 70 8 0 5 0.03 0.0 0 3.9 9 200 M M 9 1 14 230 23 80 63 72 10 0 7 0.26 0.0 0 3.8 12 310 M M 7 1 17 260 24 76 63 70 9 0 5 T 0.0 0 4.9 15 40 M M 9 18 20 50 25 70 59 65 4 0 0 T 0.0 0 7.5 14 120 M M 9 22 50 26 64 58 61 1 4 0 0.26 0.0 0 8.7 17 170 M M 10 1 21 160 27 67 57 62 2 3 0 0.41 0.0 0 5.8 16 290 M M 7 1 22 300 28 66 55 61 1 4 0 0.12 0.0 0 12.9 29 270 M M 7 13 39 300 29 57 51 54 -5 11 0 0.15 0.0 0 11.7 22 310 M M 10 1 31 310 30 57 40 49 -10 16 0 0.04 0.0 0 8.5 17 10 M M 6 1 21 360 ================================================================================ SM 2211 1683 55 58 1.55 0.0 180.3 M 183 ================================================================================ AV 73.7 56.1 6.0 FASTST M M 6 MAX(MPH) MISC ----> # 29 270 # 39 300 ================================================================================ 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: SEPTEMBER YEAR: 2009 LATITUDE: 40 30 N LONGITUDE: 80 13 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 64.9 TOTAL FOR MONTH: 1.55 1 = FOG OR MIST DPTR FM NORMAL: 0.9 DPTR FM NORMAL: -1.66 2 = FOG REDUCING VISIBILITY HIGHEST: 83 ON 6 GRTST 24HR 0.58 ON 26-27 TO 1/4 MILE OR LESS LOWEST: 40 ON 30 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: 11 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 6 MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 0 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 55 CLEAR (SCALE 0-3) 7 DPTR FM NORMAL -50 PTCLDY (SCALE 4-7) 13 TOTAL FM JUL 1 69 CLOUDY (SCALE 8-10) 10 DPTR FM NORMAL -55 [CDD (BASE 65) ] TOTAL THIS MO. 58 DPTR FM NORMAL -20 [PRESSURE DATA] TOTAL FM JAN 1 631 HIGHEST SLP 30.36 ON 1 DPTR FM NORMAL -88 LOWEST SLP 29.39 ON 28 [REMARKS]