The Sunspot Observer - Average annual indices of solar activity - Solar activity in 2000 - September, 2000

Statistics of sunspot activity

September, 2000

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	212	207	241	214	191	209	197			43		30			134				260			303	336		315		222				207.60	100
Wn	161	134	142	102	99	142	124			28		12			78				175			162	161		181		129				122.00	58.77
Ws	51	73	99	112	92	67	73			15		18			56				85			141	175		134		93				85.60	41.23
n	12	11	13	10	7	10	9			3		2			5				5			4	5		7		8				7.40	100
A	1	0	0	0	0	0	0			0		0			0				0			0	0		0		0				0.07	0.90
B	0	1	0	0	1	0	0			0		0			0				0			0	0		0		0				0.13	1.80
C	3	3	2	4	1	0	2			1		0			2				0			1	2		1		2				1.60	21.62
D	3	2	4	1	1	1	1			1		1			2				1			1	0		2		0				1.40	18.92
E	2	2	1	3	2	2	3			1		0			0				2			1	2		2		1				1.60	21.62
F	0	0	0	0	0	0	0			0		0			0				1			1	1		1		2				0.40	5.41
G	0	0	0	0	0	0	0			0		0			0				0			0	0		0		0				0.00	0.00
H	0	1	2	1	0	2	2			0		0			1				0			0	0		1		2				0.80	10.81
I	3	2	4	1	2	5	1			0		1			0				1			0	0		0		1				1.40	18.92
x	1	1	0	0	1	0	0			0		0			0				0			0	0		0		0				0.20	2.70
r	3	2	5	4	0	2	1			0		1			1				1			0	0		0		0				1.33	18.02
s	2	0	0	1	2	1	3			0		0			1				0			0	1		3		3				1.13	15.32
a	5	7	7	5	4	6	4			2		1			2				2			2	2		2		4				3.67	49.55
h	0	0	0	0	0	0	1			1		0			0				0			0	0		0		0				0.13	1.80
k	1	1	1	0	0	1	0			0		0			1				2			2	2		2		1				0.93	12.61
x	4	3	6	2	2	7	3			0		1			1				1			0	0		1		3				2.27	30.63
o	6	5	5	4	3	1	3			2		0			2				0			0	1		2		2				2.40	32.43
i	2	3	2	4	2	2	3			1		1			1				2			3	3		2		2				2.20	29.73
c	0	0	0	0	0	0	0			0		0			1				2			1	1		2		1				0.53	7.21
CV	170	149	160	122	98	135	164			90		26			103				162			135	147		204		150				134.33	100
CVn	113	104	93	51	57	81	75			27		4			60				107			66	69		96		86				72.60	54.04
CVs	57	45	67	71	41	54	89			53		22			43				55			69	78		108		64				61.07	45.46
gr	10	11	12	10	7	8	7			3		2			5				5			4	5		7		8				6.93	93.69
grfp	60	59	63	80	73	74	64			9		8			58				155			192	205		177		102				91.93	69.05
grf	30	38	47	34	48	33	41			4		2			26				55			71	81		68		40				41.20	30.95
efp	1	0	1	0	0	2	2			0		0			0				0			0	0		0		0				0.40	5.41
ef	1	0	0	0	0	0	0			0		0			0				0			0	0		0		0				0.07	0.90
Cond	1	1	3	1	1	1	1			3		2			2				2			4	3-4		2		2				1.97	60.67