AAVSO: American Relative Sunspot Numbers, April 2004

American Relative Sunspot Numbers for April 2004

Day	N	Raw Mean	Ra
1	36	73	53
2	36	68	49
3	33	60	46
4	33	73	55
5	44	74	53
6	41	55	39
7	37	48	34
8	35	32	23
9	44	23	17
10	41	18	14
11	34	18	15
12	34	32	25
13	33	45	32
14	39	52	39
15	42	45	33
16	38	45	33
17	31	66	48
18	35	81	56
19	32	81	59
20	41	81	59
21	41	79	58
22	41	71	53
23	37	49	36
24	40	48	36
25	40	45	33
26	42	43	32
27	38	38	28
28	36	32	23
29	38	31	22
30	36	47	33
Means:	37.6	51.8	37.9
Total No. of Observers: 72 Total No. of Observations: 1128