The Sunspot Observer - Average annual indices of solar activity - Solar activity in 2013 - September, 2013

Statistics of sunspot activity

September, 2013

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			95	82					25		56	81	84	40	26							71	79		66	51					63.00	100
Wn			51	40					0		0	15	13	0	0							48	34		44	40					23.75	37.70
Ws			44	42					25		56	66	71	40	26							23	45		22	11					39.25	62.30
n			4	4					2		4	6	6	3	2							5	6		5	3					4.17	100
A			0	0					1		0	0	0	0	0							0	1		2	0					0.33	8.00
B			0	0					1		3	5	3	1	1							1	1		0	1					1.47	34.00
C			1	3					0		0	0	2	1	1							2	2		1	0					1.08	26.00
D			3	1					0		0	0	0	0	0							1	0		1	1					0.58	14.00
E			0	0					0		0	0	0	0	0							0	0		0	0					0.00	0.00
F			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					0.00	0.00
H			0	0					0		0	0	0	0	0							1	1		1	1					0.33	8.00
I			0	0					0		1	1	1	1	0							0	1		0	0					0.42	10.00
x			0	0					2		3	5	3	1	1							1	2		2	1					1.75	42.00
r			0	0					0		0	0	2	1	0							1	1		1	0					0.50	12.00
s			1	1					0		1	1	1	1	0							2	2		1	1					1.00	24.00
a			3	3					0		0	0	0	0	1							0	0		1	1					0.75	18.00
h			0	0					0		0	0	0	0	0							1	1		0	0					0.17	4.00
k			0	0					0		0	0	0	0	0							0	0		0	0					0.00	0.00
x			0	0					1		1	1	1	1	0							1	3		3	1					1.08	26.00
o			2	1					1		2	4	5	1	2							3	3		1	1					2.17	52.00
i			2	3					0		1	1	0	1	0							1	0		1	1					0.92	22.00
c			0	0					0		0	0	0	0	0							0	0		0	0					0.00	0.00
CV			74	51					3		17	21	26	18	10							84	69		39	34					37.17	100
CVn			33	20					0		0	3	5	0	0							42	22		28	24					14.75	39.69
CVs			41	31					3		17	18	21	18	10							42	47		11	10					22.42	60.31
gr			4	4					2		3	6	6	3	2							4	3		2	2					3.42	82,00
grfp			22	12					0		0	2	5	3	2							5	3		6	8					5.67	27.53
grf			33	30					5		15	19	19	7	4							15	13		7	12					14.92	72.47
efp			0	0					0		1	0	0	0	0							1	2		1	1					0.50	12.00
ef			0	0					0		0	0	0	0	0							0	1		2	0					0.25	6.00
Cond			3	2					3		2	2	1	2	3							2	3		4	2					2.42	51.67