| NORTHERN INDIANA PUBLIC SERVICE COMPANY | |||||||||||||
| Daily Heating Degree Days Average All Weather Zones | |||||||||||||
| Total Company | |||||||||||||
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
| Day | 2001 | 2001 | 2001 | 2001 | 2001 | 2001 | 2001 | 2001 | 2001 | 2001 | 2001 | 2001 | 2001 |
| 1 | 47 | 40 | 32 | 26 | 0 | 8 | 4 | 0 | 4 | 4 | 3 | 26 | |
| 2 | 52 | 52 | 27 | 20 | 0 | 9 | 2 | 0 | 0 | 0 | 10 | 23 | |
| 3 | 49 | 42 | 27 | 21 | 0 | 14 | 0 | 0 | 0 | 0 | 12 | 16 | |
| 4 | 37 | 32 | 33 | 20 | 5 | 13 | 0 | 0 | 0 | 7 | 16 | 8 | |
| 5 | 34 | 34 | 41 | 11 | 4 | 9 | 4 | 0 | 0 | 18 | 20 | 6 | |
| 6 | 38 | 36 | 35 | 7 | 0 | 5 | 3 | 0 | 0 | 22 | 17 | 17 | |
| 7 | 37 | 35 | 29 | 0 | 1 | 4 | 0 | 0 | 0 | 21 | 9 | 21 | |
| 8 | 46 | 19 | 35 | 1 | 2 | 2 | 0 | 0 | 0 | 11 | 17 | 26 | |
| 9 | 49 | 25 | 36 | 5 | 0 | 1 | 0 | 0 | 0 | 3 | 23 | 30 | |
| 10 | 41 | 43 | 30 | 10 | 0 | 0 | 0 | 0 | 0 | 6 | 15 | 29 | |
| 11 | 36 | 43 | 29 | 1 | 5 | 0 | 0 | 0 | 0 | 6 | 24 | 28 | |
| 12 | 35 | 34 | 25 | 8 | 14 | 0 | 0 | 0 | 0 | 7 | 21 | 24 | |
| 13 | 34 | 30 | 24 | 16 | 10 | 0 | 0 | 0 | 7 | 4 | 14 | 21 | |
| 14 | 31 | 29 | 23 | 12 | 5 | 0 | 0 | 0 | 9 | 10 | 12 | 27 | |
| 15 | 31 | 33 | 23 | 20 | 2 | 0 | 0 | 0 | 7 | 16 | 6 | 28 | |
| 16 | 36 | 39 | 32 | 29 | 0 | 0 | 0 | 0 | 4 | 20 | 13 | 22 | |
| 17 | 39 | 47 | 34 | 30 | 0 | 0 | 0 | 0 | 2 | 22 | 17 | 23 | |
| 18 | 38 | 45 | 30 | 22 | 2 | 0 | 0 | 0 | 1 | 15 | 10 | 25 | |
| 19 | 39 | 29 | 28 | 13 | 1 | 0 | 0 | 0 | 2 | 13 | 20 | 29 | |
| 20 | 48 | 33 | 23 | 5 | 0 | 0 | 0 | 0 | 1 | 9 | 26 | 31 | |
| 21 | 46 | 44 | 22 | 0 | 2 | 3 | 0 | 0 | 2 | 5 | 21 | 30 | |
| 22 | 38 | 41 | 22 | 0 | 9 | 3 | 0 | 0 | 2 | 6 | 19 | 26 | |
| 23 | 34 | 37 | 25 | 3 | 9 | 3 | 0 | 0 | 3 | 1 | 14 | 33 | |
| 24 | 41 | 23 | 35 | 15 | 10 | 0 | 0 | 0 | 15 | 9 | 8 | 45 | |
| 25 | 43 | 25 | 44 | 14 | 12 | 0 | 0 | 0 | 16 | 23 | 18 | 47 | |
| 26 | 41 | 30 | 43 | 6 | 12 | 0 | 0 | 0 | 9 | 26 | 21 | 49 | |
| 27 | 43 | 39 | 34 | 9 | 11 | 0 | 0 | 0 | 10 | 27 | 19 | 41 | |
| 28 | 43 | 42 | 27 | 10 | 5 | 0 | 0 | 0 | 11 | 23 | 25 | 43 | |
| 29 | 29 | 0 | 24 | 7 | 7 | 0 | 0 | 0 | 9 | 12 | 20 | 50 | |
| 30 | 28 | 0 | 22 | 1 | 12 | 0 | 0 | 0 | 8 | 17 | 17 | 51 | |
| 31 | 31 | 0 | 24 | 0 | 12 | 0 | 0 | 0 | 0 | 3 | 0 | 48 | |
| Total | 1,214 | 1,001 | 918 | 342 | 152 | 74 | 13 | 0 | 122 | 366 | 487 | 923 | 5,612 |
| Normal | 1,293 | 1,076 | 841 | 476 | 221 | 22 | 2 | 13 | 74 | 372 | 706 | 1,119 | 6,215 |
| Deviation | |||||||||||||
| From Normal | (79) | (75) | 77 | (134) | (69) | 52 | 11 | (13) | 48 | (6) | (219) | (196) | (603) |