The Sunspot Observer - Average annual indices of solar activity - Solar activity in 2012 - December, 2012

Statistics of sunspot activity

December, 2012

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							26			47	59	78	76	83			78	51	42			59		61	37							58.08	100
Wn							26			47	59	78	76	83			48	15	12			21		27	25							43.08	74.18
Ws							0			0	0	0	0	0			30	36	30			38		34	12							15.00	25.82
n							2			2	2	4	4	4			5	3	3			3		3	2							3.08	100
A							0			0	0	0	0	0			0	0	0			0		0	0							0.00	0.00
B							0			0	0	2	1	1			0	0	0			0		1	0							0.42	13.51
C							0			0	0	0	0	1			2	1	1			0		1	0							0.50	16.22
D							0			2	2	2	3	2			1	1	1			1		1	2							1.50	48.65
E							0			0	0	0	0	0			0	1	0			0		0	0							0.08	2.70
F							0			0	0	0	0	0			0	0	0			0		0	0							0.00	0.00
G							0			0	0	0	0	0			1	0	1			1		0	0							0.25	8.11
H							1			0	0	0	0	0			0	0	0			0		0	0							0.08	2.70
I							1			0	0	0	0	0			1	0	0			1		0	0							0.25	8.11
x							0			0	0	2	1	1			0	0	0			0		1	0							0.42	13.51
r							1			0	0	0	0	1			0	0	0			0		0	0							0.17	5.41
s							1			1	0	1	0	0			2	2	2			2		0	1							1.00	32.43
a							0			1	2	1	3	2			2	0	0			0		2	1							1.17	37.84
h							0			0	0	0	0	0			1	0	0			0		0	0							0.08	2.70
k							0			0	0	0	0	0			0	1	1			1		0	0							0.25	8.11
x							2			0	0	0	0	0			1	0	0			1		0	0							0.33	10.81
o							0			0	0	3	1	2			3	2	3			1		2	1							1.50	48.65
i							0			2	2	1	3	1			1	1	0			1		1	1							1.17	37.84
c							0			0	0	0	0	1			0	0	0			0		0	0							0.08	2.70
CV							14			50	44	52	66	63			102	83	80			82		32	47							59.58	100
CVn							14			50	44	52	66	63			42	25	25			46		22	22							39.25	65.87
CVs							0			0	0	0	0	0			60	58	55			36		10	25							20.33	34.13
gr							2			2	2	4	4	4			4	3	3			3		3	2							3.00	97.30
grfp							2			12	15	13	13	16			14	9	8			13		8	9							11.00	40.49
grf							4			15	24	25	23	27			13	12	4			16		23	8							16.17	59.51
efp							0			0	0	0	0	0			1	0	0			0		0	0							0.08	2.70
ef							0			0	0	0	0	0			0	0	0			0		0	0							0.00	0.00
Cond							3			3	2	2	1	2			4	3	3			4		3	2							2.67	46.67