The Sunspot Observer - Average annual indices of solar activity - Solar activity in 2013 - December, 2013

Statistics of sunspot activity

December, 2013

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	125		136								182						136			142												144.20	100
Wn	23		26								66						26			36												35.40	24.55
Ws	102		110								116						110			106												108.80	75.45
n	5		8								10						9			9												8.20	100
A	0		0								0						2			0												0.40	4.88
B	0		2								2						1			2												1.40	17.07
C	0		2								1						2			2												1.40	17.07
D	3		2								3						1			3												2.40	29.27
E	1		1								1						1			1												1.00	12.20
F	0		0								0						0			0												0.00	0.00
G	0		0								0						0			0												0.00	0.00
H	0		0								2						1			0												0.60	7.32
I	1		1								1						1			1												1.00	12.20
x	0		2								2						3			2												1.80	21.95
r	1		2								2						1			0												1.20	14.63
s	0		2								2						1			2												1.40	17.07
a	3		1								2						2			4												2.40	29.27
h	0		1								0						0			0												0.20	2.44
k	1		0								2						2			1												1.20	14.63
x	1		1								3						4			1												2.00	24.39
o	4		3								5						4			4												4.00	48.78
i	0		3								1						1			4												1.80	21.95
c	0		1								1						0			0												0.40	4.88
CV	115		132								174						131			148												140.00	100
CVn	16		4								52						48			35												31.00	22.14
CVs	99		128								122						83			113												109.00	77.86.
gr	5		8								9						7			9												7.60	92.68
grfp	32		20								32						17			27												25.60	41.29
grf	43		36								51						27			25												36.40	58.71
efp	0		0								1						1			0												0.40	4.88
ef	0		0								0						1			0												0.20	2.44
Cond	3		2								4						3			4												3.2	36.00