The Sunspot Observer - Average annual indices of solar activity

Solar activity in 2003

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	8	16	16	23	24	22	29	19	19	11	10	4	16.75	16.75
W	91.75	65.44	81.50	83.48	65.08	102.59	127.28	104.95	81.74	91.64	81.50	54.00	90.05	85.91
Wn	25.12	30.06	40.13	40.43	15.04	65.50	69.69	23.58	41.05	16.45	27.60	35.50	39.32	35.85
Ws	66.63	35.38	41.37	43.04	50.04	37.09	57.59	81.37	40.68	75.18	53.90	18.50	50.73	50.06
n	5.88	4.44	5.19	4.87	3.83	5.32	6.62	5.11	4.21	4.09	3.90	3.00	4.91	4.71
A	0.00	0.00	0.19	0.26	0.13	0.14	0.55	0.21	0.16	0.00	0.00	0.50	0.20	0.18
B	0.38	0.00	0.38	0.17	0.04	0.13	0.17	0.11	0.11	0.18	0.20	0.00	0.15	0.16
C	0.25	0.50	0.75	0.61	0.50	0.50	0.69	0.63	0.63	0.55	0.70	0.50	0.59	0.57
D	2.50	2.06	2.25	1.61	1.25	2.45	1.97	1.16	1.63	1.09	1.80	1.00	1.76	1.73
E	0.38	0.19	0.19	0.65	0.33	0.55	0.69	1.47	0.32	0.82	0.80	0.25	0.58	0.55
F	0.00	0.00	0.00	0.00	0.08	0.18	0.38	0.05	0.32	0.00	0.00	0.25	0.12	0.11
G	0.13	0.13	0.06	0.00	0.12	0.14	0.17	0.32	0.05	0.18	0.00	0.00	0.12	0.11
H	1.75	0.81	0.63	0.96	0.75	0.55	1.28	0.47	0.32	0.55	0.20	0.50	0.75	0.73
I	0.50	0.75	0.75	0.61	0.63	0.68	0.72	0.68	0.68	0.73	0.20	0.00	0.64	0.58
x	0.38	0.00	0.56	0.43	0.17	0.27	0.72	0.32	0.26	0.18	0.20	0.50	0.35	0.33
r	0.13	0.00	0.38	0.22	0.04	0.59	0.79	0.68	0.79	0.73	0.30	0.75	0.45	0.45
s	2.00	2.19	1.13	0.78	1.25	1.14	1.17	1.26	1.00	1.27	1.00	0.75	1.22	1.25
a	3.13	1.88	1.94	2.04	1.58	2.27	2.55	1.84	1.58	1.18	1.10	0.50	1.92	1.80
h	0.00	0.06	0.88	0.52	0.25	0.14	0.31	0.11	0.21	0.45	0.10	0.25	0.29	0.27
k	0.25	0.31	0.31	0.87	0.54	0.91	1.07	0.89	0.37	0.27	1.20	0.25	0.68	0.60
x	2.25	1.56	1.56	1.83	1.50	1.36	2.55	1.37	1.16	1.27	0.40	1.00	1.59	1.48
o	2.13	2.06	2.25	1.48	1.29	2.14	1.86	1.74	1.84	1.64	2.00	1.00	1.80	1.79
i	1.00	0.81	1.38	1.26	0.75	1.59	1.55	1.47	1.11	0.27	0.40	1.00	1.14	1.05
c	0.50	0.00	0.00	0.30	0.29	0.23	0.66	0.53	0.11	0.91	1.10	0.00	0.37	0.39
CV	100.00	80.50	106.13	109.70	80.46	113.68	131.66	110.53	78.32	89.36	108.90	53.75	101.66	96.92
CVn	23.63	41.13	66.94	61.22	21.00	72.27	62.90	23.21	36.84	25.27	44.00	40.75	46.10	43.26
CVs	76.37	39.37	39.19	48.48	59.46	41.41	68.76	87.32	41.47	64.09	64.90	13.00	55.56	53.65
gr	4.63	3.50	4.25	4.00	2.83	4.55	4.90	4.11	3.53	3.27	3.70	2.50	3.94	3.81
grfp	20.13	12.06	16.75	20.35	18.75	32.59	39.83	30.37	21.47	31.55	27.90	13.00	25.25	23.73
grf	11.63	8.06	11.94	13.57	7.50	16.05	20.21	22.53	17.47	18.36	14.40	10.50	14.89	14.35
efp	1.25	0.94	0.81	0.70	0.92	0.64	1.24	0.89	0.58	0.82	0.20	0.25	0.83	0.77
ef	0.00	0.00	0.13	0.17	0.08	0.13	0.48	0.11	0.11	0.00	0.00	0.25	0.15	0.12
Cond	3.25	2.44	2.44	1.96	2.46	2.00	1.97	2.26	1.21	1.36	1.90	2.75	2.09	2.17