The Sunspot Observer - Average annual indices of solar activity - Solar activity in 2011 - August, 2011

Statistics of sunspot activity

August, 2011

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			100	110						62	39	41	24	0	12		74	74								93			71	104	135	67.07	100
Wn			89	110						62	26	28	12	0	12		44	46								93			51	63	100	52.57	78.38
Ws			11	0						0	13	13	12	0	0		30	28								0			20	41	35	14.50	21.62
n			4	4						4	3	3	2	0	1		4	4								5			5	8	9	4.00	100
A			1	0						0	0	1	1	0	0		0	0								0			1	2	1	0.50	12.50
B			0	0						2	1	1	1	0	0		1	1								0			1	2	2	0.86	21.43
C			0	2						0	0	0	0	0	0		0	2								3			2	0	1	0.71	17.86
D			0	0						1	2	1	0	0	1		2	0								0			0	1	2	0.71	17.86
E			1	1						0	0	0	0	0	0		1	1								1			0	0	0	0.36	8.93
F			1	1						0	0	0	0	0	0		0	0								0			0	0	0	0.14	3.57
G			1	0						1	0	0	0	0	0		0	0								0			0	0	0	0.14	3.57
H			0	0						0	0	0	0	0	0		0	0								0			0	1	1	0.14	3.57
I			0	0						0	0	0	0	0	0		0	0								1			1	2	2	0.43	10.71
x			1	0						2	1	2	2	0	0		1	1								0			2	4	3	1.36	33.93
r			0	1						1	1	1	0	0	0		1	1								2			0	0	1	0.64	16.07
s			0	0						1	0	0	0	0	1		1	1								2			2	3	3	1.00	25.00
a			0	1						0	1	0	0	0	0		1	0								1			1	1	2	0.57	14.29
h			1	1						0	0	0	0	0	0		0	1								0			0	0	0	0.21	5.36
k			2	1						0	0	0	0	0	0		0	0								0			0	0	0	0.21	5.36
x			1	0						0	0	1	1	0	0		0	0								1			2	5	4	1.07	26.79
o			1	2						4	3	2	1	0	1		3	1								3			3	2	3	2.07	51.79
i			2	1						0	0	0	0	0	0		1	3								1			0	1	2	0.79	19.64
c			0	1						0	0	0	0	0	0		0	0								0			0	0	0	0.07	1.79
CV			146	126						43	34	16	3	0	25		63	73								57			32	56	85	54.21	100
CVn			145	126						43	21	14	2	0	25		42	59								57			24	35	74	47.64	87.88
CVs			1	0						0	13	2	1	0	0		21	14								0			8	21	11	6.57	12.12
gr			3	4						4	3	3	2	0	1		4	4								4			4	4	7	3.36	83.93
grfp			37	46						9	6	3	0	0	2		15	15								13			5	7	18	12.57	47.57
grf			22	24						13	3	8	4	0	0		19	19								29			15	13	25	13.86	52.43
efp			0	0						0	0	0	0	0	0		0	0								1			1	2	1	0.36	8.93
ef			1	0						0	0	0	0	0	0		0	0								0			0	2	1	0.29	7.14
Cond			3	2						3	2	1	1	2	4		3	2								4			3	2	3	2.50	50.00