The Sunspot Observer - Average annual indices of solar activity - Solar activity in 2004 - February, 2004

Statistics of sunspot activity

February, 2004

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	Average	%
W	52	73	96	89	90					57		59			52	23	22		22	37	43		91					111		61.13	100
Wn	20	25	33	30	25					0		15			26	11	11		11	12	20		47					42		21.87	35.77
Ws	32	48	63	59	65					57		44			26	12	11		11	25	23		44					69		39.27	64.23
n	3	4	5	4	5					3		4			4	2	2		2	3	3		5					5		3.60	100
A	0	0	0	0	0					0		0			0	0	0		0	0	0		1					1		0.13	3.70
B	0	0	0	0	0					0		1			0	0	0		0	0	0		0					0		0.07	1.85
C	1	1	1	1	2					0		0			0	0	0		0	0	1		0					2		0.60	16.67
D	2	3	2	2	1					1		1			3	0	0		0	1	1		2					1		1.33	37.04
E	0	0	1	1	1					0		0			0	0	0		0	0	0		1					1		0.33	9.26
F	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					1		0			0	0	0		0	0	0		0					0		0.07	1.85
H	0	0	0	0	0					0		1			1	2	1		1	0	0		0					0		0.40	11.11
I	0	0	1	0	1					1		1			0	0	1		1	2	1		1					0		0.67	18.52
x	0	0	0	0	0					0		1			0	0	0		0	0	0		1					1		0.20	5.56
r	0	2	1	1	1					1		1			1	0	0		1	0	0		0					0		0.60	16.67
s	1	0	0	0	1					1		1			2	2	2		1	2	2		1					0		1.07	29.63
a	2	2	4	3	3					1		1			1	0	0		0	1	1		3					3		1.67	46.30
h	0	0	0	0	0					0		0			0	0	0		0	0	0		0					0		0.00	0.00
k	0	0	0	0	0					0		0			0	0	0		0	0	0		0					1		0.07	1.85
x	0	0	1	0	1					1		2			1	2	2		2	2	1		2					1		1.20	33.33
o	2	2	3	1	2					1		1			3	0	0		0	1	1		1					2		1.33	37.04
i	1	2	1	2	1					1		1			0	0	0		0	0	1		2					1		0.87	24.07
c	0	0	0	1	1					0		0			0	0	0		0	0	0		0					1		0.20	5.56
CV	52	62	70	78	77					52		39			67	20	20		14	42	43		75					93		53.60	100
CVn	19	22	23	23	23					0		3			29	10	10		4	10	22		42					56		19.73	36.82
CVs	33	40	47	55	54					52		36			38	10	10		10	32	21		33					37		33.87	63.18
gr	3	4	5	4	4					3		4			3	1	0		0	3	2		3					4		2.87	79.63
grfp	16	21	26	22	20					12		9			8	1	0		0	5	7		27					35		13.93	58.71
grf	6	12	10	27	19					15		10			3	1	0		0	2	5		12					25		9.80	41.29
efp	0	0	0	0	1					0		0			1	1	2		2	0	1		1					0		0.60	16.67
ef	0	0	0	0	0					0		0			0	0	0		0	0	0		1					1		0.13	3.70
Cond	2	4	1	1	2					1		1			1	3	2		1	1	1		1					1		1.53	69.33