The Sunspot Observer - Average annual indices of solar activity - Solar activity in 2015 - May, 2015

Statistics of sunspot activity

May, 2015

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		37	72	102		117						167										69		109		68	60	58		28	48	77.92	100
Wn		0	26	45		63						104										31		48		17	24	23		15	15	34.25	43.96
Ws		37	46	57		54						63										38		61		51	36	35		13	33	43.67	56.04
n		2	4	5		5						10										5		7		5	5	5		2	3	4.83	100
A		0	0	1		0						2										0		1		0	1	3		0	0	0.67	13.79
B		1	3	2		1						3										3		1		0	2	1		0	1	1.50	31.03
C		0	0	0		1						2										1		1		3	0	0		2	2	1.00	20.69
D		1	1	1		0						0										0		3		0	0	0		0	0	0.50	10.34
E		0	0	1		1						0										0		0		0	0	0		0	0	0.17	3.45
F		0	0	0		1						1										0		0		0	0	0		0	0	0.17	3.45
G		0	0	0		1						0										0		0		0	0	0		0	0	0.08	1.72
H		0	0	0		0						1										0		0		0	0	0		0	0	0.08	1.72
I		0	0	0		0						1										1		1		2	2	1		0	0	0.67	13.79
x		1	3	3		1						5										3		2		0	3	4		0	1	2.17	44.83
r		0	0	1		1						1										1		1		1	2	0		1	1	0.83	17.24
s		0	0	0		0						3										1		1		2	0	0		1	0	0.67	13.79
a		1	1	1		2						0										0		3		2	0	1		0	1	1.00	20.69
h		0	0	0		0						0										0		0		0	0	0		0	0	0.00	0.00
k		0	0	0		1						1										0		0		0	0	0		0	0	0.17	3.45
x		0	0	1		0						4										1		2		2	3	4		0	0	1.42	29.31
o		1	2	1		1						3										2		2		3	2	1		2	3	1.92	39.66
i		1	1	2		2						2										2		3		0	0	0		0	0	1.08	22.41
c		0	1	1		2						1										0		0		0	0	0		0	0	0.42	8.62
CV		24	38	54		118						102										23		84		41	13	12		16	15	45.00	100
CVn		0	5	20		83						67										8		25		8	6	3		5	5	19.58	43.52
CVs		24	33	34		35						35										15		59		33	7	9		11	10	25.42	56.48
gr		2	4	4		5						8										4		5		3	5	3		2	3	4.00	82.76
grfp		7	12	22		32						23										1		15		5	3	0		3	3	10.50	36.52
grf		10	20	29		35						42										17		22		11	7	6		5	15	18.25	63.48
efp		0	0	0		0						0										1		1		2	0	2		0	0	0.50	10.34
ef		0	0	1		0						2										0		1		0	0	0		0	0	0.33	6.90
Cond		2	3	4		2						3										3		2		2	1	2		3	3	2.50	50.00