The Sunspot Observer - Average annual indices of solar activity NGDC

August, 1989

Visual indices of solar activity by National Geophysical Data Center

Date	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	Average	%
W	190.00	203.17	237.50	271.17	292.71	285.14	269.67	265.86	264.83	248.57	223.20	225.14	221.00	208.83	224.83	187.75	227.33	244.20	226.67	229.33	233.33	158.17	159.00	154.14	132.60	115.00	77.83	86.17	87.50	93.50	146.50	199.70	100
Wn	50.43	48.83	82.67	85.33	89.00	87.00	74.67	67.14	97.50	84.71	97.20	105.86	130.25	143.50	173.33	157.00	194.67	209.60	185.33	179.17	172.33	117.17	95.50	85.29	43.80	45.14	35.17	38.00	40.50	33.67	42.50	99.75	49.95
Ws	139.57	154.33	154.83	185.83	203.71	198.14	195.00	198.71	167.33	163.86	126.00	119.29	90.75	65.33	51.50	30.75	32.67	34.60	41.33	50.17	61.00	41.00	63.50	68.86	88.80	69.86	42.67	48.17	47.00	59.83	104.00	99.95	50.05
n	10.00	12.33	14.00	14.17	14.43	14.86	13.17	12.57	13.67	12.43	10.40	10.29	10.63	10.50	11.50	10.25	11.50	11.20	11.00	11.33	12.33	10.17	10.83	11.71	10.40	7.71	5.17	5.83	6.17	5.50	6.67	10.73	100
A	0.86	2.00	1.50	1.50	1.71	1.43	2.50	1.86	1.83	1.57	1.00	0.29	0.38	0.67	1.83	1.75	2.00	0.80	1.67	2.00	1.50	2.33	2.33	2.14	2.00	2.71	1.00	1.67	0.67	0.50	0.00	1.48	13.82
B	1.71	4.00	4.50	4.00	4.43	1.57	0.67	0.57	1.33	1.29	1.20	1.14	1.00	1.67	0.83	1.25	2.17	2.00	0.50	1.67	3.17	1.50	1.00	2.14	2.80	1.71	1.17	0.33	0.67	0.83	0.50	1.72	16.03
C	3.86	1.33	2.67	2.33	2.43	2.71	3.00	2.57	2.50	3.14	3.80	2.57	2.50	2.33	3.17	3.25	2.67	3.60	4.83	2.67	3.67	3.17	4.33	2.57	2.00	1.71	1.50	2.33	1.33	0.83	2.17	2.70	25.11
D	2.14	1.67	2.17	3.33	3.29	5.71	3.17	2.57	1.83	1.43	0.40	1.29	0.50	0.67	2.50	2.25	2.33	1.60	0.83	1.17	0.83	0.67	1.17	1.43	1.20	0.71	0.83	0.83	2.50	1.50	1.50	1.74	16.24
E	0.43	0.67	0.33	0.50	0.43	0.43	1.00	1.71	1.17	1.29	0.80	0.57	1.00	1.83	1.00	0.50	0.83	1.00	1.00	0.83	0.67	0.50	0.00	0.00	0.00	0.29	0.00	0.00	0.00	0.17	0.67	0.63	5.89
F	0.14	0.00	0.17	0.00	0.00	0.00	0.17	0.14	0.17	0.43	0.40	0.57	0.50	0.17	0.33	0.50	0.17	0.20	0.00	0.50	0.33	0.17	0.00	0.00	0.00	0.00	0.00	0.00	0.17	0.50	0.67	0.21	1.92
G	0.43	1.00	1.17	1.00	1.00	0.86	2.00	1.71	2.00	0.43	0.40	0.29	0.75	0.17	0.33	0.00	0.00	0.40	0.83	0.33	0.33	0.50	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.51	4.79
H	0.00	0.00	0.17	0.33	0.14	0.00	0.00	0.14	0.17	0.14	0.20	0.14	0.75	0.83	0.33	0.25	0.00	0.20	0.00	0.00	0.50	0.17	0.50	1.00	0.60	0.00	0.00	0.17	0.17	0.00	0.00	0.22	2.08
I	0.43	1.67	1.33	1.17	1.00	2.14	0.67	1.29	2.67	2.71	2.20	3.43	3.25	2.17	1.17	0.50	1.33	1.40	1.33	2.17	1.33	1.17	1.50	2.43	1.80	0.57	0.67	0.50	0.67	1.17	1.17	1.52	14.12
x	2.57	6.00	6.00	5.50	6.14	3.00	3.17	2.43	3.17	2.86	2.20	1.43	1.38	2.33	2.67	3.00	4.17	2.80	2.17	3.67	4.67	3.83	3.33	4.29	4.80	4.43	2.17	2.00	1.33	1.33	0.50	3.20	29.85
r	0.43	0.67	1.00	0.17	0.86	0.29	0.17	0.14	0.00	0.57	0.20	0.14	0.63	0.33	0.50	0.00	0.17	1.40	1.00	1.50	1.50	1.00	0.67	0.86	0.20	0.29	0.00	0.00	0.17	0.17	0.00	0.48	4.51
s	1.57	1.67	1.67	2.17	1.71	4.71	3.33	3.57	3.83	4.43	2.80	2.43	3.50	3.17	3.17	3.25	2.83	1.40	2.00	1.83	1.50	1.17	3.17	3.14	2.60	1.71	2.17	2.67	2.17	2.33	2.33	2.58	24.05
a	4.43	3.17	3.00	3.33	3.29	4.57	3.50	3.86	4.00	2.71	3.40	4.00	2.00	1.00	1.83	1.75	2.17	2.40	3.17	2.50	2.67	2.33	2.17	2.29	2.20	1.29	0.83	0.83	1.50	0.83	1.83	2.54	23.70
h	0.29	0.17	0.00	0.00	0.14	0.00	0.33	0.00	0.67	0.14	0.60	0.29	0.50	0.83	0.50	0.50	0.67	0.80	1.00	0.67	0.67	1.00	0.83	0.71	0.40	0.00	0.00	0.00	0.00	0.00	0.33	0.39	3.62
k	0.71	0.67	2.33	3.00	2.29	2.29	2.67	2.57	2.00	1.71	1.20	2.00	2.63	2.83	2.83	1.75	1.50	2.40	1.67	1.17	1.33	0.83	0.67	0.43	0.20	0.00	0.00	0.33	1.00	0.83	1.67	1.53	14.28
x	1.29	3.67	3.00	3.00	2.86	3.57	3.17	3.29	4.67	4.43	3.40	3.86	4.38	3.67	3.33	2.50	3.33	2.40	3.00	4.17	3.33	3.67	4.33	5.57	4.40	3.29	1.67	2.33	1.50	1.67	1.17	3.22	30.02
o	7.43	7.83	9.83	9.67	10.00	9.00	7.67	6.86	7.50	6.29	5.40	4.43	4.50	4.67	6.17	6.00	6.50	6.80	6.50	5.50	7.67	5.33	5.67	6.00	6.00	4.14	3.50	3.33	3.83	3.00	3.33	6.14	57.21
i	1.29	0.83	0.67	1.00	1.43	1.57	1.50	1.86	1.00	1.00	1.20	1.57	1.13	0.67	1.00	0.50	0.67	1.20	0.67	1.00	1.00	1.17	0.83	0.14	0.00	0.29	0.00	0.17	0.00	0.17	1.50	0.87	8.12
c	0.00	0.00	0.50	0.50	0.14	0.71	0.83	0.57	0.50	0.71	0.40	0.43	0.63	1.50	1.00	1.25	1.00	0.80	0.83	0.67	0.33	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.83	0.67	0.67	0.50	4.65
CV	133.29	125.83	186.67	222.50	196.29	262.86	258.83	246.14	241.67	194.00	155.20	177.29	209.25	229.00	234.17	188.50	185.00	205.80	192.00	160.00	157.00	132.67	131.17	123.14	90.20	47.86	43.33	61.67	112.50	97.33	154.33	166.31	100
CVn	22.57	28.17	31.17	38.67	34.86	51.71	46.17	52.86	65.17	55.57	53.40	81.86	106.63	125.33	145.50	144.25	146.00	159.80	137.33	110.83	102.83	89.83	77.67	55.86	38.20	20.00	12.67	26.83	32.00	26.50	32.67	69.45	41.76
CVs	110.71	97.67	155.50	183.83	161.43	211.14	212.67	193.29	176.50	138.43	101.80	95.43	102.63	103.67	88.67	44.25	39.00	46.00	54.67	49.17	54.17	42.83	53.50	67.29	52.00	27.86	30.67	34.83	80.50	70.83	121.67	96.86	58.24