PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: PITTSBURGH PA MONTH: APRIL YEAR: 2011 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 45 32 39 -6 26 0 0.12 0.4 0 7.9 25 300 M M 9 18 31 300 2 48 33 41 -5 24 0 0.11 0.4 0 9.8 24 310 M M 8 18 31 300 3 55 31 43 -3 22 0 0.01 0.0 0 7.0 17 150 M M 7 13 22 140 4 71 45 58 12 7 0 0.79 0.0 0 11.9 29 300 M M 10 138 40 280 5 45 34 40 -6 25 0 0.22 T 0 14.1 26 290 M M 8 1 32 290 6 61 33 47 0 18 0 T 0.0 0 8.9 18 210 M M 7 28 280 7 63 43 53 6 12 0 0.00 0.0 0 5.4 15 350 M M 9 26 10 8 51 42 47 0 18 0 0.40 0.0 0 9.0 28 40 M M 10 18 32 40 9 58 42 50 2 15 0 0.00 0.0 0 4.3 12 50 M M 9 18 15 40 10 82 47 65 17 0 0 0.00 0.0 0 6.8 22 210 M M 5 1 30 230 11 76 54 65 17 0 0 0.05 0.0 0 12.7 26 280 M M 9 1 36 280 12 55 45 50 1 15 0 0.83 0.0 0 12.8 24 40 M M 9 1 31 40 13 57 40 49 0 16 0 0.13 0.0 0 9.0 16 340 M M 8 1 21 340 14 69 35 52 3 13 0 0.00 0.0 0 5.2 17 360 M M 3 22 10 15 70 45 58 8 7 0 0.00 0.0 0 14.3 29 130 M M 7 37 140 16 59 44 52 2 13 0 0.82 0.0 0 14.2 25 120 M M 10 1 35 120 17 60 39 50 0 15 0 T 0.0 0 16.2 35 270 M M 9 48 280 18 69 43 56 5 9 0 0.00 0.0 0 7.3 18 280 M M 10 25 290 19 62 44 53 2 12 0 0.72 0.0 0 5.1 16 130 M M 10 123 20 160 20 75 43 59 8 6 0 T 0.0 0 15.9 43 300 M M 10 1 56 260 21 54 40 47 -5 18 0 0.00 0.0 0 11.4 24 300 M M 7 31 300 22 49 40 45 -7 20 0 0.32 0.0 0 10.4 18 120 M M 10 1 23 120 23 74 49 62 10 3 0 0.11 0.0 0 11.9 23 230 M M 8 3 33 240 24 67 56 62 9 3 0 0.10 0.0 0 6.5 17 360 M M 10 1 21 310 25 81 55 68 15 0 3 0.17 0.0 0 6.3 29 280 M M 9 13 37 260 26 81 59 70 17 0 5 0.12 0.0 0 8.1 30 240 M M 7 13 46 250 27 84 58 71 17 0 6 0.04 0.0 0 10.8 35 250 M M 8 48 250 28 65 50 58 4 7 0 0.07 0.0 0 14.5 35 250 M M 7 1 47 250 29 52 41 47 -8 18 0 T 0.0 0 10.1 23 290 M M 9 30 270 30 63 35 49 -6 16 0 0.00 0.0 0 4.6 13 100 M M 5 17 90 ================================================================================ SM 1901 1297 358 14 5.13 0.8 292.4 M 247 ================================================================================ AV 63.4 43.2 9.7 FASTST M M 8 MAX(MPH) MISC ----> # 43 300 # 56 260 ================================================================================ 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: APRIL YEAR: 2011 LATITUDE: 40 30 N LONGITUDE: 80 13 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 53.3 TOTAL FOR MONTH: 5.13 1 = FOG OR MIST DPTR FM NORMAL: 3.4 DPTR FM NORMAL: 2.12 2 = FOG REDUCING VISIBILITY HIGHEST: 84 ON 27 GRTST 24HR 1.01 ON 4- 5 TO 1/4 MILE OR LESS LOWEST: 31 ON 3 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 0.8 INCH 5 = HAIL GRTST 24HR 0.4 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: 0 0.01 INCH OR MORE: 18 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 14 MIN 32 OR BELOW: 2 0.50 INCH OR MORE: 4 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 358 CLEAR (SCALE 0-3) 1 DPTR FM NORMAL -104 PTCLDY (SCALE 4-7) 11 TOTAL FM JUL 1 5652 CLOUDY (SCALE 8-10) 18 DPTR FM NORMAL 66 [CDD (BASE 65) ] TOTAL THIS MO. 14 DPTR FM NORMAL 6 [PRESSURE DATA] TOTAL FM JAN 1 14 HIGHEST SLP 30.40 ON 21 DPTR FM NORMAL 4 LOWEST SLP 29.36 ON 4 [REMARKS]