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	2005	2005	2005	2005	2005	2005	2005	2005	2005	2005	2005	2005	Total
1	25	45	45	20	22	0	1	0	0	0	18	42	218
2	26	43	45	23	25	1	1	0	0	0	8	44	216
3	29	37	40	19	25	0	0	0	1	0	3	39	193
4	31	33	30	4	16	0	0	0	0	0	6	49	169
5	41	24	30	0	10	0	0	0	0	0	5	48	158
6	43	24	13	5	2	0	0	0	0	12	21	56	176
7	39	27	29	22	6	0	0	0	0	15	12	58	208
8	37	36	43	16	0	0	0	0	0	19	7	45	203
9	32	38	45	8	0	0	0	0	0	12	19	51	205
10	32	41	37	0	0	0	0	0	0	8	27	38	183
11	30	31	36	6	14	0	0	0	0	9	16	40	182
12	12	26	43	22	16	0	0	0	0	8	4	42	173
13	41	23	42	19	3	0	0	0	0	3	22	39	192
14	52	27	34	18	12	0	0	0	2	2	21	34	202
15	50	29	34	14	16	3	0	0	3	11	21	37	218
16	59	37	27	2	15	2	0	0	9	17	42	46	256
17	60	44	31	1	4	6	0	0	2	6	41	49	244
18	46	43	18	0	0	3	0	0	0	5	31	57	203
19	39	31	28	0	6	0	0	0	0	15	23	59	201
20	46	30	33	14	8	0	0	0	0	17	24	47	219
21	47	32	31	14	2	0	0	0	0	14	24	48	212
22	54	38	27	25	0	0	0	2	0	19	35	30	230
23	52	35	33	31	10	0	0	3	0	20	28	28	240
24	40	34	25	25	9	0	0	0	0	20	49	29	231
25	31	32	31	12	7	0	0	0	0	19	39	29	200
26	48	37	31	18	4	0	0	0	7	21	21	32	219
27	59	31	25	18	5	0	3	0	3	21	12	25	202
28	44	37	23	18	7	0	0	0	5	24	19	29	206
29	40		6	19	4	0	0	0	15	18	37	32	171
30	42		5	21	4	0	0	0	6	9	41	30	158
31	41		21		1		0	0		13		32	108
Total	1,268	945	941	414	253	15	5	5	53	357	676	1,264	6,196
Normal	1,259	1,036	831	489	201	42	1	7	113	389	710	1097	6175
Deviation From Normal	9	(91)	110	(75)	52	(27)	4	(2)	(60)	(32)	(34)	167	21
Zone 1 = Hammond, Gary, Crown Point, Hobart, Valparaiso, Monticello