The Sunspot Observer - Average annual indices of solar activity - Solar activity in 2023 - May, 2023

Statistics of sunspot activity

May, 2023

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	97	117	152	174			131	139	182	176	177		140		110	105		127		177	153	119	104	118	144				136			138.90	100
Wn	50	74	102	112			92	88	143	138	147		115		78	75		72		124	118	82	68	58	81				75			94.60	68.11
Ws	47	43	50	62			39	51	39	38	30		25		32	30		55		53	35	37	36	60	63				61			44.30	31.89
n	5	7	10	11			6	7	10	10	10		9		6	6		8		9	8	6	5	5	7				8			7.65	100
A	0	2	2	1			1	1	2	0	0		1		0	0		2		0	0	0	0	0	0				0			0.60	7.84
B	0	0	1	6			0	1	2	2	3		1		2	3		2		2	0	0	0	1	2				1			1.45	18.95
C	2	0	0	0			1	2	1	3	2		5		2	1		1		3	2	3	3	2	1				2			1.80	23.53
D	2	2	4	1			1	0	0	2	1		1		1	1		2		1	2	0	0	0	2				1			1.20	15.69
E	1	1	0	2			2	2	2	2	2		0		0	0		0		1	1	1	0	0	0				1			0.90	11.76
F	0	0	0	0			0	0	0	0	0		0		0	0		0		0	0	0	1	1	1				0			0.15	1.96
G	0	0	1	0			0	0	0	0	0		0		0	0		0		0	0	0	0	0	0				1			0.10	1.31
H	0	1	1	1			1	1	2	1	1		1		1	0		0		0	0	1	1	1	1				1			0.80	10.46
I	0	1	1	0			0	0	1	0	1		0		0	1		1		2	3	1	0	0	0				1			0.65	8.50
x	0	2	3	7			1	2	4	2	3		2		2	3		4		2	0	0	0	1	2				1			2.05	26.80
r	1	0	0	0			0	0	1	2	1		1		1	1		0		0	3	1	1	1	1				2			0.85	11.11
s	0	2	3	1			1	1	3	3	3		2		1	1		2		2	2	1	2	2	2				2			1.80	23.53
a	3	1	2	0			2	2	0	1	1		3		2	1		1		2	0	1	1	0	1				1			1.25	16.34
h	1	2	1	1			0	0	0	0	0		0		0	0		1		0	0	3	1	1	1				1			0.65	8.50
k	0	0	1	2			2	2	2	2	2		1		0	0		0		3	3	0	0	0	0				1			1.05	13.73
x	0	4	4	2			2	2	5	1	2		2		1	1		3		2	3	2	1	1	1				2			2.05	26.80
o	2	0	4	6			1	2	1	7	6		5		3	4		3		3	3	1	3	2	4				4			3.20	41.83
i	2	3	1	3			2	2	3	1	1		2		2	1		2		3	1	2	0	2	2				1			1.80	23.53
c	1	0	1	0			1	1	1	1	1		0		0	0		0		1	1	1	1	0	0				1			0.60	7.84
CV	116	152	192	169			144	133	149	176	162		103		50	43		102		182	182	165	100	89	120				164			134.65	100
CVn	49	82	145	151			125	112	136	150	149		90		45	39		48		133	139	118	54	40	44				65			95.70	71.07
CVs	67	70	47	18			19	21	13	26	13		13		5	4		54		49	43	47	46	49	76				99			38.95	28.93
gr	5	6	8	9			4	5	7	10	9		9		6	6		6		7	6	4	4	5	6				7			6.45	84.31
grfp	23	17	23	20			22	23	25	33	26		17		16	12		9		33	33	17	20	21	27				18			21.75	35.54
grf	24	29	27	42			47	44	54	43	50		33		34	33		36		52	38	40	33	47	46				37			39.45	64.46
efp	0	1	1	1			1	1	2	0	1		0		0	0		1		2	2	2	1	0	1				1			0.90	11.76
ef	0	0	1	1			1	1	1	0	0		0		0	0		1		0	0	0	0	0	0				0			0.30	3.92
Cond	2	3	3	4			3	2	2	3	2		3		3	3		3		3	3	2	3	3	4				4			2.90	42.00