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

Statistics of sunspot activity

August, 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	248			207	177	137		163		84	87		65	68	61	67	43	51	62	68			111			165	164	227				118.68	100
Wn	152			110	110	91		87		0	0		26	29	30	29	18	37	50	40			43			54	53	119				56.74	47.80
Ws	96			97	67	46		76		84	87		39	39	31	38	25	14	12	28			68			111	111	108				61.95	52.20
n	9			7	8	6		7		3	3		4	4	4	5	3	3	3	4			3			6	5	6				4.89	100
A	0			1	1	1		0		0	0		0	0	0	0	0	0	0	0			1			0	0	0				0.21	4.30
B	1			0	0	0		0		1	0		0	1	1	1	0	0	0	0			0			0	1	0				0.32	6.45
C	2			1	2	2		2		1	1		0	2	2	3	1	2	0	2			0			2	2	2				1.53	31.18
D	1			2	1	1		2		0	1		1	0	0	1	1	1	2	0			0			2	1	3				1.05	21.51
E	1			0	1	0		2		0	0		0	0	0	0	0	0	0	0			1			0	0	0				0.26	5.38
F	1			1	1	1		0		1	1		1	1	0	0	0	0	0	0			1			1	1	1				0.63	12.90
G	0			1	1	0		0		0	0		0	0	1	0	0	0	0	1			0			0	0	0				0.21	4.30
H	2			1	1	0		0		0	0		2	0	0	0	0	0	0	1			0			1	0	0				0.42	8.60
I	1			0	0	1		1		0	0		0	0	0	0	1	0	1	0			0			0	0	0				0.26	5.38
x	1			1	1	1		0		1	0		0	1	1	1	0	0	0	0			1			0	1	0				0.53	10.75
r	1			0	0	1		0		0	0		0	1	1	0	0	0	1	0			0			0	0	0				0.26	5.38
s	1			2	2	3		1		1	2		2	1	1	2	1	0	0	0			0			1	1	0				1.11	22.58
a	4			2	4	1		5		1	1		2	0	0	1	1	2	1	1			1			4	2	5				2.00	40.86
h	0			0	0	0		0		0	0		0	0	0	0	0	0	0	1			1			1	1	1				0.26	5.38
k	2			2	1	0		1		0	0		0	1	1	1	1	1	1	2			0			0	0	0				0.74	15.05
x	3			2	2	2		1		0	0		2	0	0	0	1	0	1	1			1			1	0	0				0.89	18.28
o	4			4	3	2		4		2	2		1	3	4	5	2	2	1	2			0			3	2	1				2.47	50.54
i	1			0	3	2		2		1	1		1	1	0	0	0	1	1	1			2			2	3	5				1.42	29.03
c	1			1	0	0		0		0	0		0	0	0	0	0	0	0	0			0			0	0	0				0.11	2.15
CV	162			162	142	80		137		37	60		66	75	72	81	67	68	69	131			78			122	101	137				97.21	100
CVn	98			86	82	49		70		0	0		26	43	40	40	38	60	65	47			24			43	39	75				48.68	50.08
CVs	64			76	60	31		67		37	60		40	32	32	41	29	8	4	84			54			79	62	62				48.53	49.92
gr	8			7	7	5		6		3	3		4	4	4	5	2	3	3	3			2			6	5	6				4.53	92.47
grfp	101			96	70	50		61		42	46		20	17	12	10	8	13	17	24			49			75	92	127				48.95	70.62
grf	56			41	25	26		31		12	11		4	11	9	7	4	8	15	4			31			30	22	40				20.37	29.38
efp	1			0	1	1		1		0	0		1	0	0	0	0	0	0	0			0			0	0	0				0.26	5.38
ef	0			0	1	0		0		0	0		0	0	0	0	0	0	0	0			1			0	0	0				0.11	2.15
Cond	1			2	2	2		2		2	4		2	2	1	2	2	2	1	2			3			2	4	3				2.16	56.80