PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: PORTLAND MONTH: DECEMBER YEAR: 2004 LATITUDE: 43 39 N LONGITUDE: 70 19 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 52 33 43 10 22 0 1.06 0.0 0 15.0 29 160 M M 8 1 40 170 2 46 29 38 6 27 0 0.00 0.0 0 10.4 26 300 M M 3 35 300 3 34 28 31 -1 34 0 0.23 3.0 3 7.7 15 50 M M 10 12 18 50 4 34 22 28 -4 37 0 T T 3 4.3 16 250 M M 5 128 20 250 5 44 18 31 0 34 0 T T T 8.6 23 300 M M 2 29 300 6 25 15 20 -11 45 0 T T T 3.5 12 10 M M 4 14 10 7 30 21 26 -4 39 0 1.21 1.8 2 9.7 16 30 M M 10 1468 21 40 8 47 25 36 6 29 0 0.03 T 3 8.6 26 270 M M 6 168 33 270 9 40 25 33 3 32 0 0.00 0.0 2 2.1 8 120 M M 1 1 10 100 10 40 34 37 8 28 0 0.30 T 1 10.0 20 40 M M 10 1 25 50 11 36 33 35 6 30 0 0.20 T 1 7.7 18 30 M M 10 1 23 20 12 40 33 37 8 28 0 T T T 4.4 13 260 M M 10 12 15 250 13 42 31 37 9 28 0 0.02 T T 2.8 10 240 M M 9 1 13 240 14 34 15 25 -3 40 0 T T 0 8.5 16 350 M M 3 20 350 15 26 12 19 -9 46 0 0.00 0.0 0 6.1 15 350 M M 0 23 360 16 36 10 23 -4 42 0 0.00 0.0 0 6.1 13 220 M M 0 16 210 17 41 17 29 2 36 0 T T 0 11.7 29 290 M M 2 1 33 270 18 33 10 22 -5 43 0 0.00 0.0 0 4.0 12 190 M M 2 6 15 190 19 40 21 31 5 34 0 T T T 4.1 8 330 M M 6 10 330 20 33 5 19 -7 46 0 0.14 2.0 1 11.1 20 350 M M 10 18 25 360 21 21 -2 10 -16 55 0 0.00 0.0 2 5.2 15 340 M M 3 18 340 22 42 10 26 0 39 0 0.00 0.0 2 2.1 9 190 M M 4 1 12 190 23 53 36 45 20 20 0 1.03 0.0 T 10.5 31 170 M M 10 12 41 170 24 49 23 36 11 29 0 T 0.0 0 9.6 20 270 M M 2 1 24 270 25 31 14 23 -2 42 0 0.00 0.0 0 6.1 14 30 M M 1 16 10 26 21 17 19 -6 46 0 0.02 1.0 T 14.8 24 20 M M 10 18 33 360 27 20 6 13 -11 52 0 0.03 1.0 2 16.7 30 350 M M 4 1 38 320 28 26 5 16 -8 49 0 0.00 0.0 2 8.3 17 220 M M 3 23 220 29 40 23 32 8 33 0 0.00 0.0 2 6.3 17 240 M M 5 22 240 30 33 15 24 0 41 0 0.00 0.0 2 2.7 8 110 M M 0 1 9 110 31 45 17 31 8 34 0 0.01 0.0 T 9.3 20 200 M M 7 28 200 ================================================================================ SM 1134 601 1140 0 4.28 8.8 238.0 M 160 ================================================================================ AV 36.6 19.4 7.7 FASTST PSBL % 5 MAX(MPH) MISC ----> 31 170 41 170 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: PORTLAND MONTH: DECEMBER YEAR: 2004 LATITUDE: 43 39 N LONGITUDE: 70 19 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 28.0 TOTAL FOR MONTH: 4.28 1 = FOG DPTR FM NORMAL: 0.4 DPTR FM NORMAL: 0.04 2 = FOG REDUCING VISIBILITY HIGHEST: 53 ON 23 GRTST 24HR 1.24 ON 7- 8 TO 1/4 MILE OR LESS LOWEST: -2 ON 21 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 8.8 INCHES 5 = HAIL GRTST 24HR 3.0 ON 3- 3 6 = GLAZE OR RIME GRTST DEPTH: 3 ON 8, 4 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: 8 0.01 INCH OR MORE: 12 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 7 MIN 32 OR BELOW: 26 0.50 INCH OR MORE: 3 MIN 0 OR BELOW: 1 1.00 INCH OR MORE: 3 [HDD (BASE 65) ] TOTAL THIS MO. 1140 CLEAR (SCALE 0-3) 13 DPTR FM NORMAL -12 PTCLDY (SCALE 4-7) 8 SEASONAL TOTAL 2552 CLOUDY (SCALE 8-10) 10 DPTR FM NORMAL -168 [CDD (BASE 65) ] TOTAL THIS MO. 0 DPTR FM NORMAL 0 [PRESSURE DATA] SEASONAL TOTAL 242 HIGHEST SLP 30.57 ON 30 DPTR FM NORMAL -105 LOWEST SLP 29.10 ON 1 [REMARKS]