| NORTHERN INDIANA PUBLIC SERVICE COMPANY | |||||||||||||
| Daily Heating Degree Days FORT WAYNE Weather Zone | |||||||||||||
| ZONE 2 | |||||||||||||
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
| Day | 1997 | 1997 | 1997 | 1997 | 1997 | 1997 | 1997 | 1997 | 1997 | 1997 | 1997 | 1997 | 1997 |
| 1 | 26 | 30 | 14 | 25 | 19 | 7 | 0 | 0 | 0 | 13 | 13 | 32 | |
| 2 | 13 | 28 | 22 | 18 | 17 | 7 | 0 | 0 | 0 | 12 | 24 | 32 | |
| 3 | 11 | 32 | 30 | 9 | 17 | 3 | 0 | 0 | 4 | 0 | 30 | 27 | |
| 4 | 9 | 26 | 23 | 5 | 15 | 5 | 2 | 0 | 9 | 0 | 29 | 33 | |
| 5 | 25 | 32 | 26 | 4 | 13 | 2 | 3 | 0 | 6 | 0 | 22 | 38 | |
| 6 | 45 | 36 | 35 | 5 | 12 | 1 | 0 | 3 | 0 | 0 | 20 | 40 | |
| 7 | 46 | 37 | 34 | 28 | 15 | 4 | 0 | 0 | 0 | 0 | 21 | 34 | |
| 8 | 47 | 36 | 23 | 34 | 6 | 4 | 0 | 0 | 0 | 0 | 19 | 37 | |
| 9 | 41 | 37 | 26 | 36 | 14 | 0 | 0 | 0 | 0 | 0 | 27 | 34 | |
| 10 | 53 | 34 | 24 | 34 | 15 | 0 | 2 | 0 | 2 | 7 | 25 | 32 | |
| 11 | 64 | 37 | 22 | 23 | 10 | 0 | 0 | 0 | 4 | 9 | 32 | 34 | |
| 12 | 68 | 46 | 30 | 24 | 11 | 0 | 0 | 0 | 5 | 2 | 36 | 36 | |
| 13 | 64 | 50 | 30 | 26 | 18 | 0 | 0 | 0 | 4 | 3 | 37 | 38 | |
| 14 | 58 | 39 | 34 | 27 | 11 | 0 | 0 | 0 | 1 | 15 | 32 | 38 | |
| 15 | 42 | 39 | 42 | 20 | 20 | 0 | 0 | 0 | 0 | 21 | 35 | 33 | |
| 16 | 53 | 40 | 40 | 12 | 17 | 0 | 0 | 0 | 0 | 17 | 40 | 26 | |
| 17 | 69 | 45 | 22 | 28 | 2 | 0 | 0 | 0 | 0 | 17 | 44 | 29 | |
| 18 | 65 | 18 | 27 | 24 | 1 | 0 | 0 | 2 | 0 | 20 | 40 | 30 | |
| 19 | 60 | 23 | 30 | 18 | 6 | 0 | 0 | 0 | 0 | 18 | 33 | 24 | |
| 20 | 37 | 29 | 20 | 19 | 15 | 0 | 0 | 0 | 0 | 16 | 29 | 31 | |
| 21 | 33 | 9 | 12 | 15 | 15 | 0 | 0 | 0 | 11 | 23 | 24 | 34 | |
| 22 | 27 | 33 | 21 | 20 | 14 | 0 | 0 | 3 | 11 | 29 | 28 | 33 | |
| 23 | 37 | 32 | 27 | 17 | 9 | 0 | 0 | 3 | 5 | 25 | 34 | 30 | |
| 24 | 35 | 38 | 31 | 16 | 0 | 0 | 0 | 0 | 9 | 21 | 36 | 30 | |
| 25 | 45 | 39 | 18 | 16 | 5 | 0 | 0 | 0 | 5 | 16 | 25 | 27 | |
| 26 | 51 | 31 | 24 | 17 | 12 | 0 | 0 | 0 | 6 | 24 | 21 | 35 | |
| 27 | 37 | 19 | 9 | 12 | 10 | 0 | 0 | 0 | 6 | 28 | 28 | 35 | |
| 28 | 50 | 26 | 9 | 16 | 8 | 0 | 0 | 0 | 2 | 27 | 15 | 38 | |
| 29 | 57 | 0 | 17 | 11 | 5 | 0 | 0 | 1 | 1 | 21 | 15 | 36 | |
| 30 | 45 | 0 | 25 | 4 | 6 | 0 | 0 | 2 | 4 | 17 | 22 | 36 | |
| 31 | 32 | 0 | 28 | 0 | 5 | 0 | 0 | 0 | 0 | 9 | 0 | 50 | |
| Total | 1,345 | 921 | 775 | 563 | 343 | 33 | 7 | 14 | 95 | 410 | 836 | 1,042 | 6,384 |
| Normal | 1,305 | 1,095 | 849 | 474 | 217 | 15 | 0 | 10 | 81 | 388 | 711 | 1,128 | 6,273 |
| Deviation | |||||||||||||
| From Normal | 40 | (174) | (74) | 89 | 126 | 18 | 7 | 4 | 14 | 22 | 125 | (86) | 111 |
| Zone 2= Michigan City, Valparaiso, Plymouth, Wabash Valley, Fort Wayne | |||||||||||||