ZCZC PITLCDDEC 000 TTAA00 KPIT 041333 PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: PITTSBURGH MONTH: DECEMBER YEAR: 2003 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 47 32 40 3 25 0 0.00 0.0 0 20.1 39 280 M M 6 46 270 2 34 23 29 -8 36 0 T T 0 13.7 25 300 M M 6 29 300 3 33 22 28 -8 37 0 T T 0 2.7 7 70 M M 8 10 30 4 39 25 32 -4 33 0 T 0.0 0 6.2 12 90 M M 10 16 90 5 34 31 33 -3 32 0 0.50 5.9 1 10.7 16 40 M M 10 14 20 80 6 31 25 28 -7 37 0 0.05 1.0 7 10.5 18 320 M M 9 1 23 320 7 31 18 25 -10 40 0 T T 5 8.5 18 280 M M 7 1 21 270 8 33 14 24 -11 41 0 0.00 0.0 4 1.7 8 120 M M 8 9 110 9 41 29 35 1 30 0 T 0.0 3 3.2 9 150 M M 10 1 12 150 10 49 38 44 10 21 0 0.66 0.0 1 9.0 21 110 M M 10 1 25 120 11 44 30 37 3 28 0 0.10 T 0 14.8 28 290 M M 10 1 33 290 12 30 22 26 -7 39 0 T T 0 12.1 21 290 M M 9 1 25 280 13 30 15 23 -10 42 0 T T 0 6.0 14 110 M M 7 17 80 14 32 26 29 -4 36 0 0.79 7.7 2 9.3 18 290 M M 10 12 23 110 15 31 26 29 -4 36 0 T T 5 10.3 22 270 M M 10 16 25 280 16 55 21 38 6 27 0 T 0.0 5 6.3 24 200 M M 6 1 31 200 17 45 25 35 3 30 0 0.20 2.2 2 8.7 17 280 M M 10 1 22 270 18 29 21 25 -7 40 0 0.01 0.2 2 8.7 16 240 M M 9 1 22 230 19 29 24 27 -4 38 0 0.13 1.9 1 6.4 14 270 M M 10 1 17 270 20 27 14 21 -10 44 0 0.34 1.5 3 9.4 18 280 M M 9 22 280 21 38 13 26 -5 39 0 0.00 0.0 3 10.3 21 200 M M 6 25 200 22 45 37 41 10 24 0 T 0.0 1 9.3 16 200 M M 8 1 21 230 23 57 43 50 19 15 0 0.03 0.0 0 8.6 26 200 M M 9 1 0 200 24 48 29 39 9 26 0 0.22 0.4 0 8.2 16 270 M M 10 1 24 280 25 30 25 28 -2 37 0 0.01 0.5 0 10.7 20 270 M M 10 1 26 270 26 34 26 30 0 35 0 T T 1 8.3 17 270 M M 6 1 21 270 27 44 24 34 4 31 0 0.00 0.0 0 1.6 7 300 M M 2 1 9 280 28 58 22 40 11 25 0 0.00 0.0 0 4.2 16 200 M M 3 18 18 200 29 61 33 47 18 18 0 0.02 0.0 0 5.4 18 210 M M 8 8 23 230 30 49 27 38 9 27 0 0.28 T 0 9.5 40 290 M M 8 1 53 290 31 50 24 37 8 28 0 0.00 0.0 0 8.1 22 230 M M 3 31 230 ================================================================================ SM 1238 784 997 0 3.34 21.3 262.5 M 247 ================================================================================ AV 39.9 25.3 8.5 FASTST PSBL % 8 MAX(MPH) MISC ----> 40 290 53 290 ================================================================================ 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: DECEMBER YEAR: 2003 LATITUDE: 40 30 N LONGITUDE: 80 13 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 32.6 TOTAL FOR MONTH: 3.34 1 = FOG DPTR FM NORMAL: 0.1 DPTR FM NORMAL: 0.48 2 = FOG REDUCING VISIBILITY HIGHEST: 61 ON 29 GRTST 24HR 0.79 ON 14-14 TO 1/4 MILE OR LESS LOWEST: 13 ON 21 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 21.3 INCHES 5 = HAIL GRTST 24HR 7.7 ON 14-14 6 = GLAZE OR RIME GRTST DEPTH: 7 ON 6 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: 10 0.01 INCH OR MORE: 14 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 9 MIN 32 OR BELOW: 27 0.50 INCH OR MORE: 3 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 997 CLEAR (SCALE 0-3) 3 DPTR FM NORMAL 1 PTCLDY (SCALE 4-7) 7 SEASONAL TOTAL 2095 CLOUDY (SCALE 8-10) 21 DPTR FM NORMAL -99 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] SEASONAL TOTAL 596 HIGHEST SLP 30.63 ON 3 DPTR FM NORMAL -130 LOWEST SLP 29.46 ON 10 [REMARKS]