PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: PITTSBURGH MONTH: APRIL YEAR: 2001 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 54 29 42 -3 23 0 0.13 0.6 0 6.9 25 290 M M 6 1 30 290 2 52 31 42 -3 23 0 T T 0 7.6 18 300 M M 6 1 21 310 3 61 31 46 0 19 0 T 0.0 0 8.1 25 360 M M 6 35 360 4 57 31 44 -2 21 0 0.00 0.0 0 6.0 15 80 M M 3 1 22 40 5 67 35 51 5 14 0 0.00 0.0 0 4.4 12 160 M M 5 15 100 6 70 50 60 13 5 0 1.19 0.0 0 6.6 16 230 M M 10 13 22 240 7 82 60 71 24 0 6 0.13 0.0 0 8.6 24 220 M M 8 183 29 220 8 81 63 72 25 0 7 0.03 0.0 0 11.0 17 210 M M 8 31 33 240 9 80 52 66 18 0 1 0.30 0.0 0 9.1 18 320 M M 8 31 43 290 10 74 49 62 14 3 0 0.24 0.0 0 5.5 21 260 M M 10 183 33 260 11 76 58 67 19 0 2 0.15 0.0 0 6.9 14 120 M M 10 13 21 40 12 84 60 72 24 0 7 T 0.0 0 13.9 23 220 M M 6 8 39 190 13 65 48 57 8 8 0 0.00 0.0 0 13.6 23 290 M M 4 26 290 14 66 37 52 3 13 0 T 0.0 0 5.8 18 280 M M 4 24 280 15 57 43 50 1 15 0 0.71 0.0 0 8.5 24 330 M M 8 183 36 330 16 54 33 44 -6 21 0 0.12 0.0 0 13.0 29 280 M M 8 1 36 290 17 39 28 34 -16 31 0 0.03 0.5 0 12.2 23 320 M M 7 1 31 310 18 46 30 38 -12 27 0 T T 0 14.7 27 300 M M 4 1 33 290 19 59 27 43 -8 22 0 0.00 0.0 0 5.1 15 270 M M 4 22 270 20 53 45 49 -2 16 0 0.45 0.0 0 6.2 15 200 M M 9 1 23 200 21 71 51 61 10 4 0 0.10 0.0 0 9.0 22 210 M M 9 1 26 230 22 76 63 70 18 0 5 0.11 0.0 0 7.6 15 250 M M 8 1 20 260 23 84 57 71 19 0 6 0.00 0.0 0 6.8 22 200 M M 8 1 26 230 24 71 43 57 5 8 0 0.03 0.0 0 15.2 26 270 M M 8 1 31 290 25 58 36 47 -6 18 0 0.00 M 0 7.1 10 360 M M 4 17 10 26 65 33 49 -4 16 0 0.00 M 0 5.1 12 190 M M 1 18 190 27 72 45 59 6 6 0 0.03 0.0 0 9.8 22 340 M M 5 M 28 330 28 61 39 50 -4 15 0 0.00 0.0 0 10.5 18 350 M M 0 M 25 340 29 68 32 50 -4 15 0 0.00 0.0 0 3.0 10 100 M M 1 M 14 30 30 78 38 58 4 7 0 0.00 0.0 0 1.7 9 170 M M 3 M 12 350 ================================================================================ SM 1981 1277 350 34 3.75 1.1 249.5 M 182 ================================================================================ AV 66.0 42.6 8.3 FASTST PSBL % 6 MAX(MPH) MISC ----> 29 280 43 290 ================================================================================ 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: 2001 LATITUDE: 40 30 N LONGITUDE: 80 13 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 54.3 TOTAL FOR MONTH: 3.75 1 = FOG DPTR FM NORMAL: 4.4 DPTR FM NORMAL: 0.60 2 = FOG REDUCING VISIBILITY HIGHEST: 84 ON 12,23 GRTST 24HR 1.32 ON 6- 7 TO 1/4 MILE OR LESS LOWEST: 27 ON 19 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 1.1 INCHES 5 = HAIL GRTST 24HR ON 6 = GLAZE OR RIME GRTST DEPTH: 0 ON M 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: 15 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 11 MIN 32 OR BELOW: 8 0.50 INCH OR MORE: 2 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1 [HDD (BASE 65) ] TOTAL THIS MO. 350 CLEAR (SCALE 0-3) 5 DPTR FM NORMAL -112 PTCLDY (SCALE 4-7) 12 SEASONAL TOTAL 5767 CLOUDY (SCALE 8-10) 13 DPTR FM NORMAL 94 [CDD (BASE 65) ] TOTAL THIS MO. 34 DPTR FM NORMAL 34 [PRESSURE DATA] SEASONAL TOTAL 34 HIGHEST SLP M ON M DPTR FM NORMAL 34 LOWEST SLP M ON M [REMARKS]