PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) STATION: ROCKFORD MONTH: APRIL YEAR: 2003 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 81 45 63 21 2 0 0.00 0.0 0 10.7 21 80 M M 5 24 80 2 78 38 58 15 7 0 0.00 0.0 0 10.4 23 60 M M 2 18 26 50 3 45 36 41 -2 24 0 0.13 0.0 0 12.6 24 70 M M 10 138 30 90 4 37 27 32 -11 33 0 0.59 0.0 0 16.1 26 70 M M 10 13 31 80 5 34 23 29 -15 36 0 T T 0 12.6 23 320 M M 10 8 23 320 6 41 24 33 -11 32 0 T T 0 14.2 26 70 M M 8 33 60 7 33 29 31 -14 34 0 0.10 0.6 1 17.0 30 70 M M 10 16 36 70 8 34 23 29 -16 36 0 T T 1 10.9 20 20 M M 8 16 23 40 9 51 19 35 -10 30 0 0.00 0.0 0 4.5 12 20 M M 1 18 17 40 10 63 25 44 -2 21 0 0.00 0.0 0 1.4 8 220 M M 0 14 240 11 74 32 53 7 12 0 0.00 0.0 0 5.6 16 70 M M 1 20 70 12 62 35 49 2 16 0 0.00 0.0 0 9.9 20 20 M M 0 24 20 13 69 29 49 2 16 0 0.00 0.0 0 8.8 20 170 M M 2 23 160 14 85 45 65 18 0 0 0.00 0.0 0 14.9 31 200 M M 3 37 200 15 86 58 72 24 0 7 0.00 0.0 0 16.1 26 200 M M 8 33 190 16 60 38 49 1 16 0 0.02 0.0 0 17.2 36 60 M M 10 1 41 60 17 46 38 42 -6 23 0 T 0.0 0 13.8 26 50 M M 10 33 50 18 51 40 46 -3 19 0 T 0.0 0 10.3 25 70 M M 10 18 30 70 19 70 41 56 7 9 0 0.24 0.0 0 13.1 24 170 M M 10 138 31 170 20 63 47 55 5 10 0 0.01 0.0 0 15.2 24 260 M M 10 1 30 260 21 50 42 46 -4 19 0 T 0.0 0 14.8 28 340 M M 9 18 35 340 22 62 36 49 -1 16 0 0.00 0.0 0 10.0 18 10 M M 0 24 310 23 64 30 47 -4 18 0 0.00 0.0 0 6.7 17 110 M M 3 21 100 24 62 40 51 0 14 0 0.00 0.0 0 11.0 18 80 M M 10 22 120 25 66 43 55 3 10 0 0.00 0.0 0 13.7 24 50 M M 6 29 40 26 67 35 51 -1 14 0 0.00 0.0 0 6.2 13 140 M M 1 16 20 27 76 40 58 6 7 0 0.00 0.0 0 10.6 21 210 M M 1 26 200 28 72 50 61 8 4 0 0.00 0.0 0 8.5 18 300 M M 6 23 310 29 66 41 54 1 11 0 0.01 0.0 0 5.7 12 50 M M 7 16 280 30 60 45 53 -1 12 0 1.23 0.0 0 9.8 23 320 M M 10 13 28 330 ================================================================================ SM 1808 1094 501 7 2.33 0.6 332.3 M 181 ================================================================================ AV 60.3 36.5 11.1 FASTST PSBL % 6 MAX(MPH) MISC ----> 36 60 41 60 ================================================================================ 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: APRIL YEAR: 2003 LATITUDE: 42 10 N LONGITUDE: 89 5 W [TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16 AVERAGE MONTHLY: 48.4 TOTAL FOR MONTH: 2.33 1 = FOG DPTR FM NORMAL: 0.5 DPTR FM NORMAL: -1.29 2 = FOG REDUCING VISIBILITY HIGHEST: 86 ON 15 GRTST 24HR 1.23 ON 30-30 TO 1/4 MILE OR LESS LOWEST: 19 ON 9 3 = THUNDER SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS TOTAL MONTH: 0.6 INCH 5 = HAIL GRTST 24HR 0.6 ON 7- 7 6 = GLAZE OR RIME GRTST DEPTH: 1 ON 8, 7 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: 8 MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 5 MIN 32 OR BELOW: 10 0.50 INCH OR MORE: 2 MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1 [HDD (BASE 65) ] TOTAL THIS MO. 501 CLEAR (SCALE 0-3) 11 DPTR FM NORMAL -21 PTCLDY (SCALE 4-7) 4 SEASONAL TOTAL 6628 CLOUDY (SCALE 8-10) 15 DPTR FM NORMAL -54 [CDD (BASE 65) ] TOTAL THIS MO. 7 DPTR FM NORMAL 0 [PRESSURE DATA] SEASONAL TOTAL 7 HIGHEST SLP M ON M DPTR FM NORMAL -1 LOWEST SLP M ON M [REMARKS]