The Sunspot Observer - Average annual indices of solar activity - Solar activity in 1999 - May, 1999

Statistics of sunspot activity

May, 1999

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		86	112			92	148	188	190										109		106	91	76	81		122		93	79		102	111.67	100
Wn		74	96			67	107	133	134										43		37	25	27	36		78		64	50		60	68.73	61.55
Ws		12	16			25	41	55	56										66		69	66	49	45		44		29	29		42	42.93	38.45
n		5	6			7	10	11	11										7		7	6	5	6		9		6	5		5	7.07	100
A		0	0			0	0	0	0										0		0	0	0	0		2		0	0		0	0.13	1.89
B		0	0			0	0	0	1										0		0	0	0	0		0		0	0		0	0.07	0.94
C		0	1			2	3	2	2										2		1	1	2	2		2		0	2		0	1.47	20.75
D		2	1			2	4	7	4										2		3	1	0	0		2		2	1		3	2.27	32.08
E		1	1			0	1	1	2										0		1	0	1	0		1		1	1		1	0.80	11.32
F		1	1			0	0	0	0										0		0	0	0	0		0		0	0		0	0.13	1.89
G		0	0			0	0	0	0										1		0	2	1	2		0		0	0		0	0.40	5.66
H		0	0			3	2	1	1										1		1	1	0	1		2		2	0		0	1.00	14.15
I		1	2			0	0	0	1										1		1	1	1	1		0		1	1		1	0.80	11.32
x		0	0			0	0	0	1										0		0	0	0	0		2		0	0		0	0.20	2.83
r		1	1			0	0	0	1										0		1	1	1	1		1		1	0		0	0.60	8.49
s		2	2			2	3	5	4										2		3	1	1	2		4		2	2		2	2.47	34.91
a		2	3			5	6	5	4										4		2	3	3	1		1		2	2		2	3.00	42.45
h		0	0			0	1	1	0										0		0	0	0	2		1		0	0		0	0.33	4.72
k		0	0			0	0	0	1										1		1	1	0	0		0		1	1		1	0.47	6.60
x		1	2			3	2	1	2										2		2	2	1	2		4		3	1		1	1.93	27.36
o		1	0			4	7	7	6										4		3	4	3	4		2		1	2		1	3.27	46.23
i		3	4			0	1	3	2										1		2	0	1	0		3		2	2		3	1.80	25.47
c		0	0			0	0	0	1										0		0	0	0	0		0		0	0		0	0.07	0.94
CV		101	101			81	179	239	202										127		147	111	66	142		147		112	101		126	132.13	100
CVn		88	95			63	131	175	132										67		67	42	12	86		89		92	85		85	87.27	66.04
CVs		13	6			18	48	64	70										60		80	69	54	56		58		20	16		41	44.87	33.96
gr		5	6			4	8	9	10										5		6	5	5	4		6		3	3		5	5.60	80.77
grfp		25	34			13	35	54	57										17		19	19	16	17		17		18	17		31	25.93	64.19
grf		11	18			6	11	23	22										20		16	11	10	2		12		13	11		21	14.47	35.81
efp		0	0			3	2	2	1										2		1	1	0	2		2		2	1		0	1.27	18.27
ef		0	0			0	0	0	0										0		0	0	0	0		1		0	0		0	0.07	0.96
Cond		3	3			3	3	2	3										2		2	3	1	2		1		2	2		1	2.20	56.00