The Sunspot Observer - Average annual indices of solar activity - Solar activity in 2025 - February, 2025

Statistics of sunspot activity

February, 2025

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	Average	%
W					170	177	148	143	140	107		91		139			205		122	110	152				164	118		118	140.27	100
Wn					157	142	136	119	114	69		36		57			72		49	45	69				89	55		85	86.27	61.50
Ws					13	35	12	24	26	38		55		82			133		73	65	83				75	63		33	54.00	38.50
n					10	11	9	10	10	8		7		10			12		8	7	9				10	6		8	9.00	100
A					0	1	0	2	0	1		1		1			0		1	1	0				1	0		0	0.60	6.67
B					3	2	1	1	2	1		1		1			1		1	0	2				1	0		4	1.40	15.56
C					1	3	1	1	1	3		1		1			3		1	2	3				1	1		1	1.60	17.78
D					3	1	2	2	1	0		2		2			2		1	1	2				3	2		0	1.60	17.78
E					1	1	1	1	1	1		0		1			1		1	0	0				1	1		1	0.80	8.89
F					0	0	0	0	0	0		0		0			0		0	1	1				0	0		0	0.13	1.48
G					0	0	0	0	0	0		0		0			0		0	0	0				1	1		0	0.13	1.48
H					0	0	1	1	2	2		2		3			1		3	2	1				1	0		0	1.27	14.07
I					2	3	3	2	3	0		0		1			4		0	0	0				1	1		2	1.47	16.30
x					3	3	1	3	2	2		2		2			1		2	1	2				2	0		4	2.00	22.22
r					0	0	1	1	1	1		1		3			4		0	1	1				1	0		0	1.00	11.11
s					2	4	3	2	3	3		3		1			6		1	0	1				4	2		1	2.40	26.67
a					4	3	3	3	3	2		0		1			1		1	1	2				1	2		1	1.87	20.74
h					0	0	1	1	1	0		0		2			0		2	2	2				0	0		0	0.73	8.15
k					1	1	0	0	0	0		1		1			0		2	2	1				2	2		2	1.00	11.11
x					2	4	4	5	5	3		3		5			5		4	3	1				3	1		2	3.33	37.04
o					6	6	3	4	4	3		4		3			2		2	2	5				5	2		4	3.67	40.74
i					2	1	2	0	1	2		0		2			5		2	2	3				1	2		1	1.73	19.26
c					0	0	0	1	0	0		0		0			0		0	0	0				1	1		1	0.27	2.96
CV					141	128	138	133	125	74		93		184			128		200	194	193				201	167		120	147.93	100
CVn					139	115	131	128	119	59		36		96			49		93	86	110				98	65		62	92.40	62.46
CVs					2	13	7	5	6	15		57		88			79		107	108	83				103	102		58	55.53	37.54
gr					8	7	7	8	7	6		5		6			9		5	4	8				7	5		7	6.60	73.33
grfp					29	20	23	22	19	11		9		13			22		15	12	16				33	27		11	18.80	39.28
grf					39	43	33	19	18	14		10		22			60		24	25	45				28	30		26	29.07	60.72
efp					2	3	2	1	3	1		1		3			3		2	2	1				2	1		1	1.87	20.74
ef					0	1	0	1	0	1		1		1			0		1	1	0				1	0		0	0.53	5.93
Cond					3	2	2	4	3	2		3		4			3		3	4	3				3	4		3	3.07	38.67