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	2007	2007	2007	2007	2007	2007	2007	2007	2007	2007	2007	2007	Total
1	33	48	30	12	3	0	0	0	0	4	27	31	188
2	30	57	38	8	13	0	0	0	0	0	17	30	193
3	25	65	44	15	6	0	0	0	0	5	20	38	218
4	19	67	37	36	2	7	0	0	0	0	20	36	224
5	20	66	45	34	6	11	0	0	0	0	23	46	251
6	32	61	43	37	9	0	0	0	0	0	26	42	250
7	32	63	42	36	0	0	0	0	0	0	28	37	238
8	33	61	33	32	0	1	0	0	0	0	23	36	219
9	40	57	19	35	0	0	0	0	0	4	23	32	210
10	35	59	24	23	0	0	0	0	1	15	20	26	203
11	21	41	22	28	14	0	0	0	6	15	14	30	191
12	26	39	16	30	12	0	0	0	10	19	15	32	199
13	33	49	2	23	3	0	0	0	0	10	11	36	167
14	33	52	22	27	0	0	0	0	10	9	20	37	210
15	38	61	33	22	4	0	0	0	16	0	33	38	245
16	50	52	35	21	16	0	0	0	7	5	30	45	261
17	44	46	38	13	16	0	0	0	0	0	27	44	228
18	38	48	26	19	5	0	0	2	0	0	26	35	199
19	45	29	21	18	0	0	0	0	0	11	11	43	178
20	41	34	25	10	16	0	0	0	0	1	12	32	171
21	38	29	1	1	0	0	0	0	0	0	26	31	126
22	38	34	15	0	0	0	0	0	6	11	36	25	165
23	40	39	16	6	0	2	0	0	0	16	38	46	203
24	41	34	6	7	0	0	0	0	0	19	36	41	184
25	46	32	0	17	8	0	0	0	0	11	32	37	183
26	30	36	0	12	0	0	0	0	8	8	32	30	156
27	44	35	10	19	1	0	0	0	4	21	36	31	201
28	53	31	18	6	0	1	0	0	9	21	30	32	201
29	47		14	0	0	1	0	0	0	18	34	32	146
30	57		10	1	0	0	0	1	0	11	40	32	152
31	48		10		0		0	0	0	16		31	105
Total	1,150	1,325	695	548	134	23	0	3	77	250	766	1,094	6,065
Normal	1,274	1,034	833	475	212	39	0	9	104	398	716	1,107	6201
Deviation From Normal	(124)	291	(138)	73	(78)	(16)	0	(6)	(27)	(148)	50	(13)	(136)
Zone 1 = Hammond, Gary, Crown Point, Hobart, Valparaiso, Monticello