The Sunspot Observer - Average annual indices of solar activity - Solar activity in 2012 - May, 2012

Statistics of sunspot activity

May, 2012

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	31	Average	%
W					66						118	124			140	139	136	112	130		121	119								84		117.18	100
Wn					35						69	88			80	78	98	89	78		88	93								23		74.45	63.54
Ws					31						49	36			60	61	38	23	52		33	26								61		42.73	36.46
n					5						6	6			9	9	8	6	8		7	7								5		6.91	100
A					2						0	0			1	1	0	1	1		1	1								1		0.82	11.84
B					0						2	0			1	1	1	0	2		1	3								1		1.09	15.79
C					2						0	0			0	1	2	2	1		0	1								0		0.82	11.84
D					1						0	1			2	2	2	2	2		2	0								0		1.27	18.42
E					0						0	0			0	0	0	0	0		0	1								1		0.18	2.63
F					0						1	1			1	1	0	0	0		0	0								0		0.36	5.26
G					0						0	0			0	0	0	0	0		0	0								1		0.09	1.32
H					0						0	1			2	0	1	0	0		1	1								1		0.64	9.21
I					0						3	3			2	3	2	1	2		2	0								0		1.64	23.68
x					2						2	0			2	2	1	1	3		2	4								2		1.91	27.63
r					0						0	0			1	2	1	0	0		0	0								0		0.36	5.26
s					1						3	2			4	3	2	1	2		4	3								2		2.45	35.53
a					2						0	3			1	1	3	4	2		0	0								1		1.55	22.37
h					0						0	0			0	0	1	0	0		1	0								0		0.18	2.63
k					0						1	1			1	1	0	0	1		0	0								0		0.45	6.58
x					2						3	4			5	4	3	2	3		4	2								2		3.09	44.74
o					2						2	1			1	3	3	2	1		2	4								2		2.09	30.26
i					1						1	1			3	2	2	2	3		1	1								1		1.64	23.68
c					0						0	0			0	0	0	0	1		0	0								0		0.09	1.32
CV					41						82	101			133	128	122	71	122		110	57								62		93.55	100
CVn					21						58	77			105	107	105	60	105		98	54								12		72.91	77.94
CVs					20						24	24			28	21	17	11	17		12	3								50		20.64	22.06
gr					3						4	4			5	7	6	5	5		5	5								4		4.82	69.74
grfp					9						30	38			18	24	23	21	22		19	15								11		20.91	45.45
grf					5						26	24			28	23	31	30	25		30	32								22		25.09	54.55
efp					2						2	2			3	2	2	1	2		1	1								1		1.73	25.00
ef					0						0	0			1	0	0	0	1		1	1								0		0.36	5.26
Cond					3						4	2			3	2	2	1	2		3	2								3		2.45	50.91