PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: PITTSBURGH MONTH: DECEMBER 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 48 44 46 10 19 0 0.00 0.0 0 9.7 16 230 M M 10 22 270 2 52 35 44 8 21 0 0.00 0.0 0 2.7 8 320 M M 5 10 270 3 61 32 47 11 18 0 0.00 0.0 0 4.6 17 220 M M 4 22 230 4 66 40 53 18 12 0 T 0.0 0 5.5 14 210 M M 7 23 210 5 73 56 65 30 0 0 T 0.0 0 6.7 13 200 M M 7 20 200 6 63 48 56 21 9 0 0.08 0.0 0 6.4 15 230 M M 10 1 21 220 7 53 40 47 13 18 0 T 0.0 0 6.8 14 290 M M 8 1 21 290 8 42 37 40 6 25 0 0.26 0.0 0 6.8 15 280 M M 9 1 18 280 9 41 29 35 2 30 0 T M 0 4.9 14 300 M M 8 1 16 320 10 47 27 37 4 28 0 0.00 0.0 0 2.3 8 150 M M 6 10 150 11 51 32 42 9 23 0 0.00 0.0 0 3.5 9 360 M M 3 1 13 360 12 55 35 45 13 20 0 T 0.0 0 8.2 16 120 M M 7 18 20 120 13 61 46 54 22 11 0 0.18 0.0 0 8.5 16 310 M M 10 1 21 220 14 65 41 53 21 12 0 0.05 0.0 0 13.6 36 230 M M 9 1 50 230 15 43 32 38 7 27 0 0.00 0.0 0 8.5 17 360 M M 9 22 300 16 43 30 37 6 28 0 T 0.0 0 5.8 16 70 M M 9 21 80 17 55 39 47 16 18 0 1.55 0.0 0 6.4 24 330 M M 10 12 29 340 18 45 32 39 8 26 0 0.18 0.0 0 14.2 23 310 M M 9 1 31 310 19 50 30 40 10 25 0 0.05 0.0 0 6.7 25 280 M M 7 1 36 290 20 39 30 35 5 30 0 T T 0 14.6 31 270 M M 7 1 37 280 21 36 23 30 0 35 0 0.00 0.0 0 7.9 24 290 M M 4 29 280 22 42 19 31 1 34 0 0.00 0.0 0 4.1 13 140 M M 6 15 130 23 46 32 39 10 26 0 0.05 0.0 0 7.5 28 270 M M 9 1 35 280 24 33 24 29 0 36 0 T T 0 11.5 24 270 M M 9 30 230 25 24 18 21 -8 44 0 T 0.8 T 6.9 16 200 M M 9 1 23 230 26 26 10 18 -11 47 0 T 0.4 T 5.8 14 220 M M 7 1 20 220 27 26 18 22 -6 43 0 0.01 1.4 1 10.9 22 220 0 0 0 29 230 28 28 23 26 -2 39 0 0.02 1.6 2 7.9 25 290 370 66 3 19 31 290 29 26 16 21 -7 44 0 T 0.4 2 4.9 23 70 18 3 0 1 28 80 30 19 11 15 -13 50 0 T 0.1 2 10.4 20 230 44 8 9 25 280 31 20 13 17 -11 48 0 T 0.3 1 7.6 15 230 M M 9 20 270 ================================================================================ SM 1379 942 846 0 2.43 5.0 231.8 432 220 ================================================================================ AV 44.5 30.4 7.5 FASTST PSBL % 7 MAX(MPH) MISC ----> 36 230 50 230 ================================================================================ 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: DECEMBER YEAR: 2001 LATITUDE: 40 30 N LONGITUDE: 80 13 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 37.4 TOTAL FOR MONTH: 2.43 1 = FOG DPTR FM NORMAL: 6.0 DPTR FM NORMAL: -0.49 2 = FOG REDUCING VISIBILITY HIGHEST: 73 ON 5 GRTST 24HR 1.65 ON 17-18 TO 1/4 MILE OR LESS LOWEST: 10 ON 26 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 5.0 INCHES 5 = HAIL GRTST 24HR 1.6 ON 28-28 6 = GLAZE OR RIME GRTST DEPTH: 2 ON 28,29 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: 7 0.01 INCH OR MORE: 10 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 4 MIN 32 OR BELOW: 20 0.50 INCH OR MORE: 1 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1 [HDD (BASE 65) ] TOTAL THIS MO. 846 CLEAR (SCALE 0-3) 4 DPTR FM NORMAL -193 PTCLDY (SCALE 4-7) 11 SEASONAL TOTAL 1828 CLOUDY (SCALE 8-10) 16 DPTR FM NORMAL -406 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] SEASONAL TOTAL 705 HIGHEST SLP M ON M DPTR FM NORMAL 51 LOWEST SLP 29.82 ON 30 [REMARKS]