The Sunspot Observer - Average annual indices of solar activity - Solar activity in 1998 - June, 1998

Statistics of sunspot activity

June, 1998

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	71	63	52		92		88	82	105	108	90	136	123	96	76	66			74	98	87	78	70	61		123					87.57	100
Wn	26	21	15		35		21	17	20	16	0	47	39	41	35	27			50	43	65	66	58	49		58					35.67	40.73
Ws	45	42	37		57		67	65	85	92	90	89	84	55	41	29			24	55	22	12	12	12		65					51.43	58.73
n	3	3	3		4		4	5	6	6	5	8	9	7	5	4			5	6	5	4	5	4		6					5.10	100
A	0	0	0		0		0	0	0	0	1	0	3	1	1	0			0	1	1	0	0	0		0					0.38	7.48
B	0	0	0		0		0	1	0	0	0	1	1	2	0	1			2	1	0	0	0	0		0					0.43	8.41
C	1	0	0		1		0	2	2	3	1	0	2	1	2	1			1	2	0	1	2	1		3					1.24	24.30
D	2	2	2		3		4	0	3	1	1	4	0	0	1	1			1	1	2	2	1	1		2					1.62	31.78
E	0	0	0		0		0	0	0	1	1	0	0	0	0	0			0	0	0	0	0	0		0					0.10	1.87
F	0	0	0		0		0	0	0	0	0	0	0	0	0	0			0	0	0	0	0	0		0					0.00	0.00
G	0	0	0		0		0	1	0	0	0	0	0	0	0	0			0	0	0	0	0	0		0					0.05	0.93
H	0	1	1		0		0	0	1	1	1	3	3	3	1	1			1	1	2	1	2	2		1					1.24	24.30
I	0	0	0		0		0	1	0	0	0	0	0	0	0	0			0	0	0	0	0	0		0					0.05	0.93
x	0	0	0		0		0	1	0	0	1	1	4	3	1	1			2	2	1	0	0	0		0					0.81	15.89
r	0	0	0		0		1	0	3	3	1	3	2	1	0	1			0	1	1	0	0	0		1					0.86	16.82
s	1	0	1		1		0	0	0	0	0	0	1	0	1	2			2	1	1	3	2	2		3					1.00	19.63
a	2	2	1		2		2	3	2	2	2	3	1	1	2	0			1	2	2	1	2	2		2					1.76	34.58
h	0	1	1		1		1	1	0	0	0	0	1	2	1	0			0	0	0	0	1	0		0					0.48	9.35
k	0	0	0		0		0	0	1	1	1	1	0	0	0	0			0	0	0	0	0	0		0					0.19	3.74
x	0	1	1		0		0	1	1	1	2	3	6	4	2	1			1	2	3	1	2	2		1					1.67	32.71
o	1	2	2		2		2	4	4	4	2	4	1	3	2	2			4	3	1	1	2	1		2					2.33	45.79
i	2	0	0		2		2	0	1	1	1	1	2	0	1	1			0	0	1	2	1	1		3					1.05	20.56
c	0	0	0		0		0	0	0	0	0	0	0	0	0	0			0	1	0	0	0	0		0					0.05	0.93
CV	55	78	84		110		106	78	98	91	82	114	74	97	82	39			44	57	53	61	89	50		85					77.48	100
CVn	22	19	25		47		22	8	19	5	0	33	17	44	63	27			32	39	42	50	79	40		33					31.71	40.93
CVs	33	59	59		63		84	70	79	86	82	81	57	53	19	12			12	18	11	11	10	10		52					45.76	59.07