PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: PITTSBURGH MONTH: APRIL YEAR: 2002 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 50 36 43 -2 22 0 0.02 0.0 0 10.9 23 280 M M 7 29 260 2 74 38 56 11 9 0 T 0.0 0 8.6 21 210 M M 9 31 210 3 58 29 44 -2 21 0 0.14 0.0 0 13.2 22 280 M M 8 1 31 280 4 42 27 35 -11 30 0 T T 0 8.3 16 350 M M 7 23 350 5 39 28 34 -12 31 0 T T 0 8.2 24 290 M M 9 31 300 6 40 26 33 -14 32 0 T 0.1 0 9.4 24 310 M M 6 26 300 7 58 22 40 -7 25 0 0.00 0.0 0 4.7 16 200 M M 5 20 160 8 75 45 60 13 5 0 0.02 0.0 0 8.1 22 170 M M 10 28 190 9 66 44 55 7 10 0 0.21 0.0 0 14.3 25 270 M M 10 1 36 270 10 61 38 50 2 15 0 0.00 0.0 0 4.9 12 360 M M 3 16 350 11 76 41 59 11 6 0 0.00 0.0 0 9.1 20 160 M M 5 25 100 12 73 50 62 13 3 0 0.10 0.0 0 9.8 20 200 M M 7 1 24 200 13 67 55 61 12 4 0 0.41 0.0 0 5.0 16 280 M M 9 1 17 270 14 65 51 58 9 7 0 0.35 0.0 0 5.0 13 200 M M 9 13 16 200 15 79 60 70 20 0 5 T 0.0 0 8.1 20 200 M M 9 22 220 16 86 61 74 24 0 9 0.00 0.0 0 4.4 16 290 M M 4 21 230 17 85 59 72 22 0 7 0.00 0.0 0 5.0 20 280 M M 5 24 280 18 85 63 74 23 0 9 0.00 0.0 0 4.7 13 180 M M 7 17 200 19 83 62 73 22 0 8 0.27 0.0 0 8.3 24 250 M M 9 135 37 250 20 64 51 58 7 7 0 0.14 0.0 0 8.9 18 340 M M 9 1 22 320 21 51 41 46 -6 19 0 0.28 0.0 0 8.3 16 50 M M 10 13 18 50 22 49 37 43 -9 22 0 0.02 0.0 0 12.5 26 300 M M 10 123 33 270 23 49 35 42 -11 23 0 0.00 0.0 0 7.3 16 270 M M 7 18 310 24 65 30 48 -5 17 0 0.00 0.0 0 5.8 14 160 M M 2 20 120 25 61 44 53 0 12 0 0.06 0.0 0 16.1 35 310 M M 8 1 40 280 26 59 37 48 -6 17 0 0.00 0.0 0 26.0 21 280 M M 3 21 280 27 59 35 47 -7 18 0 0.27 0.0 0 6.0 14 130 M M 7 1 17 130 28 74 44 59 5 6 0 0.51 0.0 0 15.4 47 290 M M 9 135 55 300 29 44 39 42 -13 23 0 0.02 0.0 0 13.4 24 290 M M 10 1 29 270 30 60 39 50 -5 15 0 0.23 0.0 0 10.7 36 310 M M 8 13 43 310 ================================================================================ SM 1897 1267 399 38 3.05 0.1 280.4 M 220 ================================================================================ AV 63.2 42.2 9.3 FASTST PSBL % 7 MAX(MPH) MISC ----> 47 290 55 300 ================================================================================ 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 MONTH: APRIL YEAR: 2002 LATITUDE: 40 30 N LONGITUDE: 80 13 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 52.7 TOTAL FOR MONTH: 3.05 1 = FOG DPTR FM NORMAL: 2.8 DPTR FM NORMAL: 0.04 2 = FOG REDUCING VISIBILITY HIGHEST: 86 ON 16 GRTST 24HR 0.51 ON 28-28 TO 1/4 MILE OR LESS LOWEST: 22 ON 7 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 0.1 INCH 5 = HAIL GRTST 24HR 0.1 ON 6- 6 6 = GLAZE OR RIME GRTST DEPTH: 0 7 = BLOWING DUST OR SAND: 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: 16 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 11 MIN 32 OR BELOW: 6 0.50 INCH OR MORE: 1 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 399 CLEAR (SCALE 0-3) 3 DPTR FM NORMAL -63 PTCLDY (SCALE 4-7) 11 SEASONAL TOTAL 4710 CLOUDY (SCALE 8-10) 16 DPTR FM NORMAL -963 [CDD (BASE 65) ] TOTAL THIS MO. 38 DPTR FM NORMAL 30 [PRESSURE DATA] SEASONAL TOTAL 38 HIGHEST SLP M ON M DPTR FM NORMAL 28 LOWEST SLP M ON M [REMARKS]