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	2004	2004	2004	2004	2004	2004	2004	2004	2004	2004	2004	2004	Total
1	20	44	16	26	22	0	0	0	0	4	16	35
2	13	34	21	24	25	9	0	0	0	20	20	32
3	29	52	22	19	19	9	0	0	0	7	20	32
4	38	45	14	31	10	3	0	0	0	22	23	30
5	53	38	21	23	5	0	0	4	0	18	20	24
6	57	38	25	10	0	0	0	3	0	9	12	15
7	45	43	30	11	12	0	1	0	3	0	20	22
8	42	40	32	23	0	0	1	0	4	4	26	26
9	50	39	35	21	0	0	0	0	6	13	21	19
10	42	48	24	23	0	0	0	4	0	15	13	25
11	30	40	42	28	0	0	0	9	0	16	29	31
12	33	43	42	28	0	0	0	9	0	11	30	31
13	37	41	26	26	0	0	0	6	0	10	31	40
14	38	43	27	12	15	0	0	4	0	13	26	46
15	43	53	33	1	19	0	0	5	0	19	19	35
16	41	48	35	0	3	0	0	0	5	26	14	31
17	36	42	34	0	0	0	0	0	6	23	9	35
18	53	30	29	0	13	0	0	0	4	21	11	37
19	51	25	20	11	15	11	0	2	4	16	11	55
20	50	29	24	6	0	2	0	7	0	15	20	44
21	40	32	39	12	0	0	0	7	0	16	27	44
22	58	29	33	18	0	2	0	0	0	8	19	48
23	47	27	16	14	0	0	3	0	0	7	21	58
24	52	36	10	8	8	9	0	0	0	15	32	61
25	49	34	7	14	6	5	0	0	7	7	36	49
26	43	33	10	17	9	1	1	0	7	4	24	51
27	53	29	6	20	2	0	1	0	4	11	25	46
28	57	22	7	0	15	3	0	0	9	5	30	33
29	63	15	16	0	0	0	0	5	15	0	29	30
30	68		22	12	0	0	0	1	9	13	30	17
31	57		27		5		0	0		16		23
Total	1,388	1,072	745	438	203	54	7	66	83	384	664	1,105
Normal	1,259	1069	831	489	201	42	1	7	113	389	710	1097
Deviation From Normal	129	3	(86)	(51)	2	12	6	59	(30)	(5)	(46)	8
Zone 1 = Hammond, Gary, Crown Point, Hobart, Valparaiso, Monticello