| 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 | 1999 | 1999 | 1999 | 1999 | 1999 | 1999 | 1999 | 1999 | 1999 | 1999 | 1999 | 1999 | 1999 |
| 1 | 50 | 27 | 34 | 9 | 10 | 0 | 0 | 0 | 0 | 13 | 2 | 29 | |
| 2 | 45 | 29 | 32 | 1 | 8 | 3 | 0 | 0 | 0 | 16 | 21 | 18 | |
| 3 | 49 | 27 | 32 | 0 | 2 | 4 | 0 | 0 | 0 | 21 | 29 | 11 | |
| 4 | 66 | 35 | 33 | 9 | 0 | 1 | 0 | 0 | 0 | 17 | 19 | 11 | |
| 5 | 66 | 35 | 26 | 14 | 0 | 0 | 0 | 0 | 0 | 15 | 10 | 18 | |
| 6 | 46 | 27 | 45 | 12 | 2 | 0 | 0 | 0 | 0 | 14 | 21 | 31 | |
| 7 | 57 | 32 | 54 | 10 | 4 | 0 | 0 | 0 | 0 | 10 | 22 | 31 | |
| 8 | 53 | 27 | 46 | 2 | 11 | 0 | 0 | 0 | 0 | 8 | 11 | 25 | |
| 9 | 58 | 23 | 38 | 16 | 10 | 0 | 0 | 0 | 1 | 1 | 0 | 18 | |
| 10 | 61 | 23 | 42 | 17 | 5 | 0 | 0 | 0 | 3 | 0 | 5 | 24 | |
| 11 | 58 | 13 | 45 | 20 | 0 | 0 | 0 | 0 | 0 | 10 | 20 | 33 | |
| 12 | 43 | 40 | 40 | 22 | 0 | 0 | 0 | 0 | 0 | 6 | 18 | 28 | |
| 13 | 51 | 46 | 39 | 20 | 10 | 0 | 0 | 0 | 2 | 11 | 10 | 31 | |
| 14 | 57 | 39 | 33 | 18 | 4 | 1 | 0 | 0 | 6 | 19 | 18 | 29 | |
| 15 | 48 | 22 | 37 | 13 | 0 | 9 | 0 | 0 | 7 | 3 | 26 | 27 | |
| 16 | 33 | 25 | 24 | 21 | 0 | 8 | 0 | 0 | 7 | 2 | 27 | 37 | |
| 17 | 36 | 33 | 12 | 23 | 0 | 8 | 0 | 0 | 7 | 18 | 27 | 43 | |
| 18 | 32 | 35 | 30 | 22 | 6 | 6 | 0 | 0 | 2 | 22 | 12 | 46 | |
| 19 | 40 | 36 | 31 | 20 | 7 | 0 | 0 | 0 | 0 | 17 | 15 | 35 | |
| 20 | 39 | 40 | 28 | 20 | 2 | 0 | 0 | 0 | 5 | 20 | 23 | 36 | |
| 21 | 26 | 42 | 28 | 9 | 0 | 0 | 0 | 0 | 13 | 14 | 20 | 51 | |
| 22 | 22 | 43 | 34 | 6 | 2 | 0 | 0 | 0 | 11 | 15 | 10 | 51 | |
| 23 | 21 | 38 | 27 | 19 | 8 | 0 | 0 | 0 | 1 | 23 | 9 | 51 | |
| 24 | 31 | 38 | 33 | 19 | 15 | 0 | 0 | 0 | 6 | 22 | 25 | 50 | |
| 25 | 35 | 34 | 37 | 18 | 11 | 0 | 0 | 0 | 3 | 16 | 28 | 48 | |
| 26 | 35 | 35 | 32 | 11 | 11 | 0 | 0 | 0 | 0 | 19 | 25 | 33 | |
| 27 | 20 | 22 | 26 | 11 | 6 | 0 | 0 | 0 | 0 | 19 | 25 | 42 | |
| 28 | 32 | 27 | 17 | 8 | 0 | 0 | 0 | 0 | 0 | 1 | 28 | 42 | |
| 29 | 33 | 0 | 20 | 8 | 0 | 1 | 0 | 0 | 9 | 0 | 29 | 29 | |
| 30 | 31 | 0 | 12 | 11 | 0 | 0 | 0 | 3 | 9 | 0 | 31 | 29 | |
| 31 | 30 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 32 | |
| Total | 1,304 | 893 | 972 | 409 | 134 | 41 | 0 | 3 | 92 | 377 | 566 | 1,019 | 5,810 |
| Normal | 1,293 | 1,081 | 856 | 489 | 233 | 28 | 7 | 22 | 85 | 395 | 723 | 1,119 | 6,331 |
| Deviation | |||||||||||||
| From Normal | 11 | (188) | 116 | (80) | (99) | 13 | (7) | (19) | 7 | (18) | (157) | (100) | (521) |
| Zone 3= Elkhart, LaPorte, Warsaw, Goshen, Angola, South Bend | |||||||||||||