NORTHERN INDIANA PUBLIC SERVICE COMPANY
Customer Billing & Revenue Accounting
Daily Heating Degree Days HAMMOND Weather Zone
ZONE 1
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Total
Day	2003	2003	2003	2003	2003	2003	2003	2003	2003	2003	2003	2003	2003
1	36	31	31	4	19	14	0	0	2	20	15	31
2	35	28	48	17	22	7	0	0	0	19	10	32
3	37	26	39	20	18	11	0	0	0	17	9	31
4	36	49	35	27	9	8	0	0	2	15	7	30
5	32	42	42	33	1	0	0	0	2	15	24	27
6	36	41	39	29	6	2	0	0	0	12	28	29
7	26	51	31	32	13	0	0	0	0	0	30	30
8	19	44	40	32	11	2	0	0	0	0	34	23
9	32	42	54	28	0	0	0	0	0	0	30	18
10	47	48	45	20	1	0	0	0	0	0	15	27
11	50	47	26	13	13	10	0	0	0	0	11	45
12	38	47	28	26	8	5	0	0	0	7	21	44
13	43	40	35	8	2	6	0	0	0	2	31	39
14	52	35	21	0	13	4	0	0	0	15	24	37
15	49	44	19	0	14	4	0	0	0	10	23	29
16	44	44	7	15	11	0	0	0	0	18	21	37
17	50	39	13	22	8	0	0	0	0	16	11	43
18	52	33	24	21	0	0	0	0	0	5	12	38
19	44	32	17	0	0	8	0	0	8	7	17	41
20	48	27	11	8	13	4	0	0	5	0	9	38
21	51	27	22	19	15	0	0	0	0	10	17	23
22	57	38	21	24	13	0	0	0	5	17	4	25
23	58	43	10	21	12	0	0	0	4	17	22	35
24	51	52	5	10	8	0	0	0	4	11	38	42
25	41	49	16	19	9	0	0	0	12	15	29	35
26	57	43	17	18	8	0	0	0	8	24	22	29
27	48	39	4	0	1	0	0	0	11	23	25	20
28	35	32	21	4	5	0	0	0	16	19	36	18
29	40	0	32	13	10	0	0	0	14	19	30	29
30	35	0	27	9	4	0	0	0	18	0	21	27
31	31	0	14	0	18	0	0	3	0	9	0	30
Total	1,310	1,113	794	492	285	85	0	3	111	342	626	982	6,143
Normal	1,280	1,053	818	466	212	23	0	8	57	332	684	1,110	6,043
Deviation
From Normal	30	60	(24)	26	73	62	0	(5)	54	10	(58)	(128)	100
Zone 1= Hammond, Gary, Crown Point, Hobart, Monticello