PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: ROCKFORD MONTH: MAY YEAR: 2005 LATITUDE: 42 10 N LONGITUDE: 89 5 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 49 30 40 -14 25 0 T 0.0 0 13.7 26 290 M M 7 35 290 2 45 32 39 -15 26 0 T T 0 13.3 22 290 M M 8 28 290 3 54 26 40 -15 25 0 0.00 0.0 0 6.5 16 280 M M 2 21 280 4 63 28 46 -9 19 0 0.00 0.0 0 4.0 14 270 M M 1 22 320 5 71 35 53 -3 12 0 0.00 0.0 0 5.9 15 190 M M 0 21 280 6 76 48 62 6 3 0 0.00 0.0 0 10.4 22 240 M M 5 3 26 240 7 73 51 62 6 3 0 0.00 0.0 0 8.6 16 70 M M 8 138 20 70 8 84 50 67 10 0 2 0.01 0.0 0 7.8 22 180 M M 7 25 170 9 79 60 70 13 0 5 0.34 0.0 0 11.4 26 190 M M 8 138 32 180 10 80 54 67 9 0 2 0.00 0.0 0 10.3 23 260 M M 3 29 260 11 65 43 54 -4 11 0 0.55 0.0 0 15.6 29 40 M M 10 13 36 50 12 54 40 47 -11 18 0 0.02 0.0 0 15.3 26 50 M M 10 31 50 13 63 44 54 -5 11 0 0.27 0.0 0 7.9 24 260 M M 9 138 30 270 14 61 45 53 -6 12 0 0.00 0.0 0 14.2 32 280 M M 7 41 280 15 55 39 47 -12 18 0 0.01 0.0 0 9.4 23 330 M M 7 28 330 16 59 35 47 -13 18 0 0.00 0.0 0 4.3 12 130 M M 7 15 120 17 74 46 60 0 5 0 0.00 0.0 0 9.9 17 140 M M 8 25 150 18 76 57 67 7 0 2 0.18 0.0 0 12.7 22 150 M M 9 3 29 130 19 75 54 65 4 0 0 0.29 0.0 0 8.8 20 160 M M 8 138 24 140 20 70 51 61 0 4 0 0.00 0.0 0 10.4 20 40 M M 6 18 23 50 21 71 45 58 -3 7 0 0.01 0.0 0 5.4 15 170 M M 7 18 150 22 79 57 68 6 0 3 0.01 0.0 0 13.5 30 290 M M 5 40 290 23 72 54 63 1 2 0 0.00 0.0 0 13.7 22 10 M M 3 26 340 24 73 48 61 -2 4 0 0.00 0.0 0 9.2 17 70 M M 2 18 21 20 25 71 46 59 -4 6 0 0.00 0.0 0 7.1 14 170 M M 7 17 160 26 75 50 63 0 2 0 0.00 0.0 0 12.0 25 300 M M 5 35 300 27 71 49 60 -4 5 0 0.01 0.0 0 9.4 31 300 M M 5 3 38 300 28 67 49 58 -6 7 0 T 0.0 0 8.6 20 300 M M 7 24 280 29 66 43 55 -9 10 0 0.08 0.0 0 2.3 15 270 M M 6 1 16 280 30 77 46 62 -2 3 0 0.00 0.0 0 4.5 20 20 M M 3 18 22 50 31 79 46 63 -2 2 0 0.00 0.0 0 6.8 18 40 M M 3 21 60 ================================================================================ SM 2127 1401 258 14 1.78 T 292.9 M 183 ================================================================================ AV 68.6 45.2 9.4 FASTST PSBL % 6 MAX(MPH) MISC ----> 32 280 41 280 ================================================================================ NOTES: # LAST OF SEVERAL OCCURRENCES COLUMN 17 PEAK WIND IN M.P.H. PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2 STATION: ROCKFORD MONTH: MAY YEAR: 2005 LATITUDE: 42 10 N LONGITUDE: 89 5 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 56.9 TOTAL FOR MONTH: 1.78 1 = FOG DPTR FM NORMAL: -2.7 DPTR FM NORMAL: -2.25 2 = FOG REDUCING VISIBILITY HIGHEST: 84 ON 8 GRTST 24HR 0.55 ON 11-11 TO 1/4 MILE OR LESS LOWEST: 26 ON 3 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: T 5 = HAIL GRTST 24HR T ON 2- 2 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: 12 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 5 MIN 32 OR BELOW: 4 0.50 INCH OR MORE: 1 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0 [HDD (BASE 65) ] TOTAL THIS MO. 258 CLEAR (SCALE 0-3) 8 DPTR FM NORMAL 43 PTCLDY (SCALE 4-7) 14 SEASONAL TOTAL 6281 CLOUDY (SCALE 8-10) 9 DPTR FM NORMAL -616 [CDD (BASE 65) ] TOTAL THIS MO. 14 DPTR FM NORMAL -35 [PRESSURE DATA] SEASONAL TOTAL 19 HIGHEST SLP M ON M DPTR FM NORMAL -38 LOWEST SLP M ON M [REMARKS]