The Sunspot Observer - Average annual indices of solar activity

Solar activity in 2000

Visual indices of solar activity by author's observations

													Average by
month	I	II	III	IV	V	VI	VII	VIII	IX	X	XI	XII	days	months
N	9.00	15.00	22.00	18.00	20.00	24.00	30.00	28.00	15.00	11.00	16.00	4.00	17.67	17.67
W	94.44	142.93	207.41	202.94	158.95	188.33	303.30	209.68	207.60	154.09	139.94	83.25	194.62	174.41
Wn	39.67	51.27	88.77	92.56	72.85	115.83	167.27	116.82	122.00	55.36	76.13	47.25	99.61	87.15
Ws	54.78	91.67	118.64	110.39	86.10	72.50	136.03	92.86	85.60	98.73	63.88	36.00	95.02	87.26
n	5.44	8.33	8.95	9.89	6.95	8.63	12.03	10.57	7.40	7.18	7.56	5.00	8.88	8.16
A	0.00	0.20	0.14	0.22	0.15	0.08	0.37	0.25	0.07	0.09	0.25	0.00	0.18	0.15
B	0.11	0.07	0.41	0.61	0.35	0.00	0.40	0.18	0.13	0.00	0.13	0.00	0.24	0.20
C	1.67	1.20	1.09	1.72	1.25	1.71	1.53	2.00	1.60	1.09	1.63	1.00	1.52	1.46
D	2.00	2.60	2.77	2.72	2.45	2.63	2.80	3.68	1.40	4.45	1.81	1.75	2.70	2.59
E	0.44	1.47	2.18	1.22	1.10	0.71	1.50	1.14	1.60	0.55	0.63	0.00	1.19	1.04
F	0.00	0.07	0.14	0.06	0.15	0.50	1.20	0.04	0.40	0.09	0.19	0.00	0.32	0.24
G	0.33	0.47	0.32	1.17	0.30	0.54	0.37	0.39	0.00	0.18	0.56	0.50	0.43	0.43
H	0.56	1.40	0.95	0.94	0.55	1.50	2.17	1.07	0.80	0.09	1.81	0.50	1.18	1.03
I	0.33	0.87	0.95	1.22	0.65	0.92	1.70	1.79	1.40	0.64	0.56	1.25	1.12	1.02
x	0.11	0.27	0.55	0.83	0.50	0.08	0.73	0.43	0.20	0.09	0.38	0.00	0.42	0.35
r	0.44	0.33	0.68	1.00	0.45	0.63	0.63	1.29	1.33	0.45	0.38	0.75	0.73	0.70
s	1.78	2.67	1.45	1.39	0.85	2.17	3.83	3.00	1.13	2.27	2.19	1.50	2.19	2.02
a	2.89	4.20	4.59	5.28	3.45	3.88	5.10	5.57	3.67	4.27	3.63	2.75	4.37	4.11
h	0.00	0.07	0.00	0.00	0.25	0.54	0.17	0.00	0.13	0.00	0.19	0.00	0.14	0.11
k	0.22	0.80	1.64	1.39	1.45	1.33	1.53	0.29	0.93	0.09	0.81	0.00	1.03	0.87
x	0.89	2.67	2.05	2.39	1.35	2.50	4.20	3.14	2.27	0.82	2.63	1.75	2.50	2.22
o	3.11	2.87	3.09	4.39	3.15	3.63	3.40	4.54	2.40	2.82	2.88	2.00	3.39	3.19
i	1.22	2.27	2.95	2.61	1.80	2.33	3.73	2.86	2.20	3.27	1.50	1.25	2.54	2.33
c	0.22	0.53	0.86	0.50	0.65	0.17	0.70	0.04	0.53	0.27	0.56	0.00	0.46	0.42
CV	90.44	159.60	191.50	179.78	154.20	181.50	225.83	159.36	134.33	139.18	135.31	69.00	166.61	151.67
CVn	43.00	52.00	75.95	88.72	71.00	107.38	128.90	84.25	72.60	51.18	76.69	42.25	83.52	74.49
CVs	47.44	107.60	115.55	91.06	83.20	74.00	100.27	75.14	61.07	88.00	58.88	26.75	83.52	77.41
gr	5.00	7.07	8.23	8.72	6.10	7.50	10.03	9.21	6.93	7.09	6.50	4.00	7.79	7.20
grfp	26.33	43.33	84.91	74.78	63.80	73.71	124.70	63.32	91.93	54.27	43.75	22.50	72.76	63.94
grf	13.33	15.53	32.23	28.22	23.30	27.25	57.57	39.18	41.20	28.82	20.75	9.75	32.17	28.09
efp	0.44	1.20	0.64	1.00	0.45	1.13	2.00	1.39	0.40	0.09	0.94	1.00	1.01	0.89
ef	0.00	0.20	0.09	0.06	0.00	0.00	0.13	0.07	0.07	0.00	0.06	0.00	0.07	0.06
Cond	2.28	2.33	2.34	2.67	2.50	1.83	1.48	1.84	1.97	2.45	2.44	3.75	2.15	2.32