| NORTHERN INDIANA PUBLIC SERVICE COMPANY | |||||||||||||
| Daily Heating Degree Days VALPARAISO Weather Zone | |||||||||||||
| ZONE 1 | |||||||||||||
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | ||
| Day | 2008 | 2008 | 2008 | 2008 | 2008 | 2008 | 2008 | 2008 | 2008 | 2008 | 2008 | 2008 | Total |
| 1 | 53 | 38 | 33 | 31 | 0 | 0 | 0 | 0 | 0 | 14 | 13 | 41 | 223 |
| 2 | 59 | 36 | 16 | 26 | 3 | 0 | 0 | 0 | 0 | 10 | 3 | 35 | 188 |
| 3 | 48 | 35 | 36 | 20 | 19 | 0 | 3 | 0 | 0 | 18 | 6 | 37 | 222 |
| 4 | 33 | 25 | 39 | 26 | 10 | 0 | 0 | 0 | 0 | 17 | 6 | 49 | 205 |
| 5 | 24 | 31 | 33 | 14 | 5 | 0 | 0 | 0 | 4 | 11 | 4 | 46 | 172 |
| 6 | 8 | 35 | 36 | 10 | 0 | 0 | 0 | 0 | 0 | 6 | 10 | 44 | 149 |
| 7 | 7 | 37 | 43 | 16 | 9 | 0 | 0 | 0 | 2 | 3 | 24 | 46 | 187 |
| 8 | 21 | 31 | 44 | 15 | 15 | 0 | 0 | 0 | 6 | 14 | 28 | 28 | 202 |
| 9 | 30 | 43 | 35 | 23 | 16 | 0 | 0 | 0 | 10 | 11 | 33 | 30 | 231 |
| 10 | 27 | 64 | 38 | 14 | 7 | 0 | 0 | 0 | 5 | 7 | 35 | 39 | 236 |
| 11 | 34 | 53 | 29 | 17 | 19 | 0 | 0 | 0 | 0 | 0 | 28 | 38 | 218 |
| 12 | 30 | 48 | 24 | 29 | 17 | 0 | 0 | 0 | 0 | 0 | 18 | 46 | 212 |
| 13 | 36 | 46 | 19 | 30 | 3 | 0 | 0 | 0 | 0 | 0 | 15 | 28 | 177 |
| 14 | 46 | 37 | 21 | 27 | 16 | 0 | 0 | 0 | 4 | 7 | 20 | 29 | 207 |
| 15 | 44 | 49 | 32 | 15 | 15 | 0 | 0 | 0 | 5 | 9 | 29 | 54 | 252 |
| 16 | 33 | 32 | 34 | 6 | 2 | 3 | 0 | 0 | 5 | 16 | 32 | 46 | 209 |
| 17 | 44 | 28 | 28 | 2 | 7 | 0 | 0 | 0 | 0 | 14 | 36 | 52 | 211 |
| 18 | 49 | 53 | 25 | 1 | 16 | 2 | 0 | 0 | 3 | 17 | 40 | 42 | 248 |
| 19 | 64 | 51 | 31 | 13 | 13 | 0 | 0 | 0 | 0 | 14 | 28 | 39 | 253 |
| 20 | 56 | 51 | 29 | 9 | 13 | 0 | 0 | 0 | 0 | 16 | 38 | 51 | 263 |
| 21 | 39 | 46 | 33 | 4 | 12 | 0 | 0 | 0 | 0 | 23 | 43 | 67 | 267 |
| 22 | 53 | 43 | 35 | 0 | 15 | 1 | 0 | 0 | 0 | 23 | 42 | 57 | 269 |
| 23 | 54 | 41 | 34 | 1 | 14 | 2 | 0 | 0 | 0 | 13 | 30 | 35 | 224 |
| 24 | 64 | 34 | 29 | 0 | 8 | 0 | 0 | 0 | 0 | 18 | 32 | 49 | 234 |
| 25 | 48 | 34 | 21 | 3 | 0 | 0 | 0 | 0 | 0 | 17 | 35 | 43 | 201 |
| 26 | 44 | 41 | 21 | 17 | 1 | 0 | 0 | 1 | 0 | 21 | 35 | 19 | 200 |
| 27 | 39 | 48 | 31 | 20 | 19 | 0 | 0 | 0 | 1 | 27 | 30 | 20 | 235 |
| 28 | 24 | 41 | 36 | 27 | 15 | 0 | 0 | 0 | 3 | 28 | 33 | 36 | 243 |
| 29 | 44 | 34 | 27 | 27 | 0 | 0 | 0 | 0 | 6 | 28 | 31 | 31 | 228 |
| 30 | 54 | 0 | 19 | 12 | 0 | 0 | 0 | 0 | 11 | 15 | 33 | 34 | 178 |
| 31 | 44 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 48 | 113 |
| Total | 1,253 | 1,185 | 923 | 455 | 289 | 8 | 3 | 1 | 65 | 426 | 790 | 1,259 | 6,657 |
| Normal | 1,274 | 1,068 | 833 | 475 | 212 | 39 | 0 | 9 | 104 | 398 | 716 | 1,107 | 6235 |
| Deviation From Normal | (21) | 117 | 90 | (20) | 77 | (31) | 3 | (8) | (39) | 28 | 74 | 152 | 422 |
| Zone 1 = Hammond, Gary, Crown Point, Hobart, Valparaiso, Monticello | |||||||||||||