obs_number	time_until_next
1	52.3
2	48.7
3	107.09
4	56
5	48.82
6	50.35
7	52.68
8	53.44
9	55.31
10	103.02
11	54.61
12	50.07
13	50.28
14	54.05
15	56.45
16	50.74
17	98.63
18	53.58
19	52.8
20	56.05
21	55.28
22	55.45
23	51.62
24	106.2
25	53.75
26	66.63
27	63.53
28	57.31
29	50.65
30	52.79
31	74.32
32	58.49
33	56.11
34	47.45
35	53.73
36	49.07
37	57.73
38	103.39
39	59.33
40	45.69
41	56.64
42	51.23
43	64.12
44	51.58
45	100.29
46	49.05
47	53.38
48	54.87
49	51.47
50	51.13
51	50.91
52	107.83