The Sunspot Observer - Average annual indices of solar activity

Solar activity in 2001

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	3	9	14	26	22	25	25	19	16	3	6	12	15.00	15.00
W	164.67	146.11	179.93	176.77	139.82	197.28	106.44	149.47	224.94	143.67	149.00	158.08	162.52	161.35
Wn	32.00	69.00	90.86	98.04	88.23	124.36	50.32	70.42	91.19	75.33	75.83	76.08	84.65	78.47
Ws	132.67	77.11	89.07	78.73	51.59	72.92	56.12	79.05	133.75	68.33	73.17	82.00	77.87	82.88
n	7.00	5.89	7.21	7.85	7.09	9.48	6.40	8.11	9.00	8.00	8.17	9.25	7.86	7.79
A	0.00	0.11	0.07	0.15	0.05	0.12	0.20	0.11	0.19	0.00	0.17	0.33	0.14	0.12
B	0.00	0.00	0.00	0.42	0.14	0.12	0.36	0.21	0.06	0.00	0.00	0.08	0.18	0.12
C	1.67	1.22	1.50	1.50	0.50	0.56	0.52	0.63	0.63	1.00	0.17	0.75	0.83	0.89
D	2.67	2.78	2.36	2.35	2.05	3.68	1.76	2.47	3.19	3.33	3.67	3.67	2.68	2.83
E	1.67	0.89	1.07	0.42	1.05	1.36	0.68	0.58	1.31	0.33	0.50	0.67	0.87	0.88
F	0.00	0.00	0.64	0.42	0.14	0.36	0.08	0.32	1.13	0.00	0.17	0.00	0.33	0.27
G	0.00	0.00	0.14	0.31	0.50	0.60	0.64	0.26	0.56	0.00	0.33	0.83	0.43	0.35
H	0.00	0.56	0.43	1.31	1.68	1.60	1.36	2.00	1.31	0.33	2.67	2.17	1.43	1.28
I	1.00	0.33	1.00	0.96	1.00	1.08	0.80	1.53	0.63	3.00	0.50	0.75	0.97	1.05
x	0.00	0.11	0.07	0.58	0.18	0.24	0.56	0.32	0.25	0.00	0.17	0.42	0.32	0.24
r	0.33	0.78	0.64	1.19	0.82	1.04	1.08	1.21	1.13	1.67	1.50	0.92	1.03	1.03
s	2.00	1.67	1.86	2.46	2.68	3.92	2.32	3.32	2.69	3.00	2.17	2.83	2.71	2.58
a	4.67	3.22	3.93	2.58	2.82	3.36	2.36	2.84	2.63	2.00	2.33	3.33	2.92	3.01
h	0.00	0.00	0.00	0.08	0.32	0.20	0.04	0.00	0.31	0.33	0.83	0.17	0.16	0.19
k	0.00	0.11	0.71	0.96	0.27	0.72	0.04	0.42	2.00	1.00	1.17	1.58	0.72	0.75
x	1.00	1.00	1.50	2.42	2.73	2.80	2.36	3.63	2.13	3.33	3.33	3.25	2.54	2.46
o	3.00	2.33	1.93	3.85	2.64	2.72	2.44	1.74	2.94	2.00	2.50	3.50	2.71	2.63
i	3.00	2.56	3.00	1.31	1.36	3.08	1.56	2.05	2.88	1.67	1.33	2.08	2.09	2.16
c	0.00	0.00	0.79	0.27	0.36	0.88	0.04	0.68	1.06	1.00	1.00	0.42	0.52	0.54
CV	120.33	100.11	143.93	134.69	127.50	197.84	93.88	132.47	224.31	155.67	181.50	187.58	148.83	149.99
CVn	30.67	48.89	75.00	70.23	86.82	132.52	47.96	64.16	97.81	68.33	103.17	92.08	80.79	76.47
CVs	89.67	51.22	68.93	64.42	40.68	65.32	45.92	68.32	126.50	87.33	78.33	95.50	68.03	73.51
gr	6.67	5.33	6.50	7.00	5.36	8.08	4.76	6.21	7.44	7.00	6.00	7.50	6.47	6.49
grfp	59.00	51.67	69.29	60.12	43.27	66.24	24.28	42.16	87.56	43.00	42.67	43.75	52.79	52.75
grf	35.67	35.00	37.93	37.27	23.91	34.80	16.52	24.37	45.81	19.67	19.83	20.08	29.70	29.24
efp	0.33	0.56	0.79	0.85	1.73	1.32	1.52	1.79	1.50	1.00	1.67	1.58	1.32	1.22
ef	0.00	0.00	0.00	0.08	0.00	0.12	0.12	0.11	0.06	0.00	0.00	0.17	0.07	0.05
Cond	2.67	1.67	2.07	1.42	1.82	1.56	1.52	1.21	1.94	2.00	1.83	2.42	1.70	1.84