The Sunspot Observer - Average annual indices of solar activity - Solar activity in 2016 - April, 2016

Statistics of sunspot activity

April, 2016

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				42		29					39	36											23		62	50	82	89		83	53.50	100
Wn				42		29					39	36											12		51	39	44	43		60	39.50	73.83
Ws				0		0					0	0											11		11	11	38	46		23	14.00	26.17
n				3		2					2	2											2		5	4	6	6		6	3.80	100
A				0		0					0	0											0		1	0	0	1		0	0.20	5.26
B				1		0					0	0											1		1	1	2	1		0	0.70	18.42
C				1		0					1	1											0		1	1	1	1		2	0.90	23.68
D				0		1					0	0											0		0	0	1	2		1	0.50	13.16
E				0		0					1	1											0		0	0	0	0		0	0.20	5.26
F				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	0.00	0.00
H				1		1					0	0											1		1	1	1	1		1	0.80	21.05
I				0		0					0	0											0		1	1	1	0		2	0.50	13.16
x				1		0					0	0											1		2	1	2	2		0	0.90	23.68
r				0		1					1	0											0		1	0	1	0		2	0.60	15.79
s				1		1					0	1											1		1	1	1	1		1	0.90	23.68
a				1		0					0	0											0		1	2	2	3		3	1.20	31.58
h				0		0					1	1											0		0	0	0	0		0	0.20	5.26
k				0		0					0	0											0		0	0	0	0		0	0.00	0.00
x				1		1					0	0											1		3	2	2	2		3	1.50	39.47
o				2		1					1	1											1		1	2	4	2		2	1.70	44.74
i				0		0					1	1											0		1	0	0	2		1	0.60	15.79
c				0		0					0	0											0		0	0	0	0		0	0.00	0.00
CV				20		23					58	64											12		26	27	45	65		56	39.60	100
CVn				20		23					58	64											2		16	17	31	32		39	30.20	76.26
CVs				0		0					0	0											10		10	10	14	33		17	9.40	23.74
gr				2		1					2	2											1		2	2	5	5		5	2.70	71.05
grfp				3		3					13	5											0		2	1	7	8		9	5.10	35.42
grf				8		5					6	11											2		7	7	14	20		13	9.30	64.58
efp				1		1					0	0											1		2	2	1	1		1	1.00	26.32
ef				0		0					0	0											0		1	0	0	0		0	0.10	2.63
Cond				3		2					3	1											3		2	1	2	2		3	2.20	56.00