The Sunspot Observer - Average annual indices of solar activity - Solar activity in 2001 - March, 2001

Statistics of sunspot activity

March, 2001

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		68							97					100	117	119				139	108	143	147	163	311	336				321	350	179.93	100
Wn		14							71					0	19	29				72	60	101	101	104	180	164				166	191	90.86	50.50
Ws		54							26					100	98	90				67	48	42	46	59	131	172				155	159	89.07	49.50
n		4							4					3	4	4				7	6	7	7	9	12	13				10	11	7.21	100
A		0							0					0	1	0				0	0	0	0	0	0	0				0	0	0.07	0.99
B		0							0					0	0	0				0	0	0	0	0	0	0				0	0	0.00	0.00
C		1							0					1	0	2				2	1	3	0	0	4	2				2	3	1.50	20.79
D		2							2					1	2	1				2	1	3	3	5	4	3				1	3	2.36	32.67
E		0							1					1	0	0				1	2	1	1	2	0	3				2	1	1.07	14.85
F		0							0					0	1	1				0	0	0	1	0	2	1				1	2	0.64	8.91
G		0							0					0	0	0				0	1	0	0	0	0	0				1	0	0.14	1.98
H		0							1					0	0	0				0	0	0	0	0	1	1				2	1	0.43	5.94
I		1							0					0	0	0				2	1	0	2	2	1	3				1	1	1.00	13.86
x		0							0					0	1	0				0	0	0	0	0	0	0				0	0	0.07	0.99
r		1							0					0	0	1				2	1	0	0	0	2	2				0	0	0.64	8.91
s		0							0					2	1	1				1	0	1	3	3	2	4				5	3	1.86	25.74
a		3							3					1	2	2				4	5	5	3	5	7	6				3	6	3.93	54.46
h		0							0					0	0	0				0	0	0	0	0	0	0				0	0	0.00	0.00
k		0							1					0	0	0				0	0	1	1	1	1	1				2	2	0.71	9.90
x		1							1					0	1	0				2	1	0	2	2	2	4				3	2	1.50	20.79
o		2							1					1	1	2				0	2	3	1	3	4	2				2	3	1.93	26.73
i		1							2					2	2	2				5	3	2	2	3	4	5				4	5	3.00	41.58
c		0							0					0	0	0				0	0	2	2	1	2	2				1	1	0.79	10.89
CV		53							95					62	72	65				93	98	156	178	206	222	254				222	239	143.93	100
CVn		4							69					0	19	22				44	36	106	127	141	137	136				100	109	75.00	52.11
CVs		49							26					62	53	43				49	62	50	51	65	85	118				122	130	68.93	47.89
gr		4							3					3	4	4				7	7	6	5	7	12	10				8	11	6.50	90.10
grfp		17							38					42	50	52				39	32	50	58	52	122	121				138	159	69.29	64.62
grf		11							18					28	27	27				30	16	22	17	19	69	82				85	80	37.93	35.38
efp		0							1					0	0	0				0	0	1	2	2	0	3				2	0	0.79	10.89
ef		0							0					0	0	0				0	0	0	0	0	0	0				0	0	0.00	0.00
Cond		2							3					2	2	2				1	2	2	2	4	1	3				2	1	2.07	58.57