PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: PITTSBURGH MONTH: APRIL 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 AVG MX 2MIN DY MAX MIN AVG DEP HDD CDD WTR SNW DPTH SPD SPD DIR MIN PSBL S-S WX SPD DR ================================================================================ 1 67 36 52 7 13 0 T 0.0 0 18.9 36 270 M M 9 43 260 2 47 34 41 -5 24 0 0.00 0.0 0 8.6 17 330 M M 6 21 360 3 56 32 44 -2 21 0 0.03 0.0 0 10.0 17 150 M M 9 1 22 150 4 63 41 52 6 13 0 0.49 0.0 0 10.9 24 310 M M 10 1 29 310 5 55 40 48 2 17 0 T 0.0 0 6.3 15 310 M M 10 18 320 6 63 41 52 5 13 0 0.00 0.0 0 10.8 18 110 M M 5 22 120 7 68 43 56 9 9 0 0.00 0.0 0 10.7 17 110 M M 3 21 110 8 73 42 58 11 7 0 0.00 0.0 0 8.2 17 120 M M 5 1 21 120 9 69 48 59 11 6 0 0.05 0.0 0 10.1 20 340 M M 7 8 24 340 10 67 40 54 6 11 0 0.00 0.0 0 6.9 13 100 M M 6 17 100 11 69 59 64 16 1 0 0.24 0.0 0 10.6 22 200 M M 10 13 31 220 12 64 40 52 3 13 0 T 0.0 0 11.7 25 270 M M 7 30 280 13 46 36 41 -8 24 0 0.07 0.0 0 9.3 18 350 0 0 10 18 23 350 14 50 30 40 -9 25 0 0.00 0.0 0 10.1 17 330 M M 5 22 360 15 57 29 43 -7 22 0 0.00 0.0 0 4.4 14 330 M M 1 18 280 16 67 31 49 -1 16 0 0.00 0.0 0 4.2 15 170 M M 2 22 150 17 75 38 57 7 8 0 0.00 0.0 0 3.9 16 270 M M 4 20 180 18 79 44 62 11 3 0 0.00 0.0 0 3.2 17 270 M M 2 22 270 19 79 52 66 15 0 1 0.12 0.0 0 6.5 20 230 M M 9 1 25 220 20 64 50 57 6 8 0 0.24 0.0 0 4.4 14 80 M M 9 1 17 270 21 68 51 60 8 5 0 T 0.0 0 10.7 21 110 M M 7 25 130 22 71 50 61 9 4 0 0.00 0.0 0 7.5 17 110 M M 3 18 23 120 23 76 53 65 13 0 0 0.26 0.0 0 6.0 35 330 M M 6 3 40 330 24 74 46 60 7 5 0 0.00 0.0 0 4.7 14 110 M M 5 18 70 25 79 53 66 13 0 1 0.00 0.0 0 5.4 16 270 M M 8 20 240 26 77 52 65 12 0 0 0.07 0.0 0 11.2 29 270 M M 7 38 36 270 27 70 42 56 2 9 0 0.09 0.0 0 4.6 12 120 M M 8 1 16 100 28 57 41 49 -5 16 0 0.36 0.0 0 9.1 23 340 M M 8 18 26 340 29 54 42 48 -7 17 0 T 0.0 0 11.2 21 290 M M 8 26 310 30 56 39 48 -7 17 0 T 0.0 0 4.9 17 300 M M 7 22 270 ================================================================================ SM 1960 1275 327 2 2.02 0.0 245.0 0 196 ================================================================================ AV 65.3 42.5 8.2 FASTST PSBL % 7 MAX(MPH) MISC ----> # 36 270 # 43 260 ================================================================================ 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 MONTH: APRIL YEAR: 2008 LATITUDE: 40 30 N LONGITUDE: 80 13 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 53.9 TOTAL FOR MONTH: 2.02 1 = FOG OR MIST DPTR FM NORMAL: 4.0 DPTR FM NORMAL: -0.99 2 = FOG REDUCING VISIBILITY HIGHEST: 79 ON 25,19 GRTST 24HR 0.49 ON 4- 4 TO 1/4 MILE OR LESS LOWEST: 29 ON 15 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: 4 0.50 INCH OR MORE: 0 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 327 CLEAR (SCALE 0-3) 3 DPTR FM NORMAL -135 PTCLDY (SCALE 4-7) 19 TOTAL FM JUL 1 5168 CLOUDY (SCALE 8-10) 8 DPTR FM NORMAL -418 [CDD (BASE 65) ] TOTAL THIS MO. 2 DPTR FM NORMAL -6 [PRESSURE DATA] TOTAL FM JAN 1 2 HIGHEST SLP 0.00 ON 13 DPTR FM NORMAL -8 LOWEST SLP 29.54 ON 11 [REMARKS]