The Sunspot Observer - Average annual indices of solar activity - Solar activity in 2003 - April, 2003

Statistics of sunspot activity

April, 2003

Visual indices of solar activity by author's observations

Date	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	Average	%
W	132	116	104	85	93	76		36	48	41			49	51	34	11		22	40	59	95	107	109	118	161		159	174			83.48	100
Wn	43	49	37	42	46	28		24	36	41			24	25	11	0		11	12	28	47	61	87	74	114		53	37			40.43	48.44
Ws	89	67	67	43	47	48		12	12	0			25	26	23	11		11	28	31	48	46	22	44	47		106	137			43.04	51.56
n	8	6	5	5	5	5		3	4	3			4	4	3	1		2	3	4	6	6	5	5	9		8	8			4.87	100
A	0	0	0	0	0	0		1	0	0			0	0	0	0		0	0	0	1	1	0	0	2		0	1			0.26	5.36
B	0	0	0	0	0	0		0	1	0			0	0	0	0		0	0	0	0	0	1	1	0		1	0			0.17	3.57
C	3	1	1	0	1	0		1	0	1			0	1	0	0		0	0	1	0	1	0	1	0		0	2			0.61	12.50
D	2	2	2	1	1	1		0	1	0			1	1	1	0		0	1	1	1	3	3	2	5		5	3			1.61	33.04
E	1	1	1	1	1	1		0	0	0			0	0	0	0		0	0	0	2	1	1	1	1		1	2			0.65	13.39
F	0	0	0	0	0	0		0	0	0			0	0	0	0		0	0	0	0	0	0	0	0		0	0			0.00	0.00
G	0	0	0	0	0	0		0	0	0			0	0	0	0		0	0	0	0	0	0	0	0		0	0			0.00	0.00
H	1	0	0	2	1	2		1	2	2			1	2	2	0		1	1	1	1	0	0	0	1		1	0			0.96	19.64
I	1	2	1	1	1	1		0	0	0			2	0	0	1		1	1	1	1	0	0	0	0		0	0			0.61	12.50
x	0	0	0	0	0	0		1	1	0			0	0	0	0		0	0	0	1	1	1	1	2		1	1			0.43	8.93
r	0	0	0	0	0	0		0	0	1			0	0	0	0		0	0	1	1	1	0	1	0		0	0			0.22	4.46
s	2	0	0	0	0	1		0	1	0			2	1	1	1		1	1	0	1	1	0	0	2		2	1			0.78	16.07
a	3	5	3	3	3	2		0	1	1			1	2	1	0		1	2	2	1	2	3	2	3		3	3			2.04	41.96
h	1	0	0	1	1	1		2	1	1			1	1	1	0		0	0	0	0	0	0	0	0		0	1			0.52	10.71
k	2	1	2	1	1	1		0	0	0			0	0	0	0		0	0	1	2	1	1	1	2		2	2			0.87	17.86
x	2	2	1	3	2	3		2	2	2			3	2	2	1		2	2	2	3	1	0	0	3		1	1			1.83	37.50
o	4	1	1	0	1	1		1	2	1			1	2	1	0		0	0	1	1	3	3	2	3		3	2			1.48	30.36
i	1	3	1	2	2	1		0	0	0			0	0	0	0		0	0	1	2	2	2	1	2		4	5			1.26	25.89
c	1	0	2	0	0	0		0	0	0			0	0	0	0		0	1	0	0	0	0	2	1		0	0			0.30	6.25
CV	207	119	154	129	130	129		82	71	52			82	77	72	10		17	48	65	137	119	109	114	199		193	208			109.70	100
CVn	86	67	93	99	100	77		81	52	52			50	51	40	0		7	7	12	85	67	63	57	124		78	60			61.22	55.81
CVs	121	52	61	30	30	52		1	19	0			32	26	32	10		10	41	53	52	52	46	57	75		115	148			48.48	44.19
gr	7	5	4	4	4	4		3	3	3			3	4	1	0		0	2	4	5	6	5	5	6		7	7			4.00	82.14
grfp	31	32	31	26	26	15		3	3	5			6	9	2	0		0	7	11	20	29	31	30	47		49	55			20.35	60.00
grf	20	23	22	8	16	10		3	4	6			2	2	0	0		0	2	8	14	18	28	38	21		29	38			13.57	40.00
efp	1	1	1	1	1	1		0	1	0			1	0	2	1		2	1	0	0	0	0	0	1		1	0			0.70	14.29
ef	0	0	0	0	0	0		0	0	0			0	0	0	0		0	0	0	1	0	0	0	2		0	1			0.17	3.57
Cond	3	3	2	3	2	2		2	1	2			2	3	3	2		3	1	1	1	2	1	1	1		3	1			1.96	60.87