| NORTHERN INDIANA PUBLIC SERVICE COMPANY | |||||||||||||
| Daily Heating Degree Days SOUTH BEND Weather Zone | |||||||||||||
| ZONE 3 | |||||||||||||
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
| Day | 1998 | 1998 | 1998 | 1998 | 1998 | 1998 | 1998 | 1998 | 1998 | 1998 | 1998 | 1998 | 1998 |
| 1 | 39 | 26 | 29 | 19 | 7 | 1 | 0 | 0 | 0 | 13 | 13 | 22 | |
| 2 | 22 | 29 | 34 | 20 | 10 | 0 | 0 | 0 | 1 | 15 | 19 | 11 | |
| 3 | 13 | 34 | 31 | 25 | 7 | 13 | 0 | 0 | 0 | 13 | 28 | 4 | |
| 4 | 16 | 37 | 33 | 21 | 6 | 9 | 0 | 0 | 0 | 11 | 31 | 4 | |
| 5 | 12 | 37 | 31 | 24 | 4 | 15 | 0 | 0 | 0 | 4 | 27 | 7 | |
| 6 | 18 | 33 | 29 | 21 | 0 | 16 | 0 | 0 | 0 | 0 | 29 | 11 | |
| 7 | 22 | 36 | 27 | 13 | 1 | 10 | 0 | 0 | 0 | 2 | 29 | 25 | |
| 8 | 29 | 32 | 26 | 14 | 1 | 10 | 0 | 0 | 6 | 13 | 28 | 27 | |
| 9 | 30 | 29 | 35 | 20 | 2 | 5 | 0 | 0 | 1 | 12 | 25 | 27 | |
| 10 | 43 | 26 | 45 | 22 | 4 | 1 | 0 | 0 | 3 | 13 | 14 | 30 | |
| 11 | 45 | 22 | 47 | 18 | 5 | 0 | 0 | 0 | 0 | 9 | 25 | 28 | |
| 12 | 37 | 31 | 49 | 8 | 2 | 0 | 0 | 0 | 0 | 5 | 23 | 29 | |
| 13 | 50 | 35 | 39 | 4 | 0 | 0 | 0 | 0 | 0 | 18 | 20 | 29 | |
| 14 | 50 | 27 | 36 | 12 | 0 | 0 | 0 | 0 | 0 | 16 | 16 | 31 | |
| 15 | 37 | 23 | 41 | 13 | 0 | 0 | 0 | 0 | 0 | 11 | 22 | 22 | |
| 16 | 40 | 25 | 34 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 28 | |
| 17 | 38 | 23 | 30 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 30 | |
| 18 | 45 | 25 | 17 | 17 | 0 | 0 | 0 | 0 | 0 | 6 | 20 | 26 | |
| 19 | 39 | 27 | 23 | 16 | 0 | 0 | 0 | 0 | 0 | 14 | 19 | 27 | |
| 20 | 40 | 27 | 32 | 14 | 0 | 0 | 0 | 0 | 0 | 19 | 31 | 32 | |
| 21 | 36 | 28 | 29 | 13 | 2 | 0 | 0 | 0 | 0 | 22 | 28 | 37 | |
| 22 | 35 | 24 | 33 | 11 | 6 | 0 | 0 | 0 | 0 | 23 | 19 | 52 | |
| 23 | 34 | 27 | 30 | 12 | 1 | 0 | 0 | 0 | 12 | 16 | 15 | 53 | |
| 24 | 37 | 28 | 30 | 7 | 5 | 0 | 0 | 0 | 9 | 14 | 23 | 49 | |
| 25 | 36 | 26 | 18 | 6 | 7 | 0 | 0 | 0 | 0 | 10 | 21 | 44 | |
| 26 | 32 | 16 | 1 | 17 | 4 | 0 | 0 | 0 | 0 | 7 | 17 | 41 | |
| 27 | 30 | 21 | 0 | 19 | 0 | 0 | 0 | 0 | 0 | 3 | 19 | 32 | |
| 28 | 30 | 21 | 6 | 15 | 0 | 0 | 0 | 0 | 3 | 14 | 11 | 33 | |
| 29 | 29 | 0 | 6 | 12 | 0 | 0 | 0 | 0 | 2 | 14 | 3 | 40 | |
| 30 | 33 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 2 | 11 | 12 | 52 | |
| 31 | 29 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 53 | |
| Total | 1,026 | 775 | 825 | 457 | 74 | 80 | 0 | 0 | 39 | 338 | 632 | 936 | 5,182 |
| Normal | 1,293 | 1,081 | 856 | 489 | 233 | 28 | 7 | 22 | 85 | 395 | 723 | 1,119 | 6,331 |
| Deviation | |||||||||||||
| From Normal | (267) | (306) | (31) | (32) | (159) | 52 | (7) | (22) | (46) | (57) | (91) | (183) | (1,149) |
| Zone 3= Elkhart, LaPorte, Warsaw, Goshen, Angola, South Bend | |||||||||||||