OLD FAITHFUL GEYSER ERUPTION DATA
*********************************
  
D = date of recordings in month (in August)
X = duration of the current eruption in minutes (to nearest 0.1 minute) 
Y = waiting time until the next eruption in minutes (to nearest minute) 
  
DATA RECORDED IN AUGUST 1-8 1978 

 D  Y  X 
 1 78 4.4
 1 74 3.9
 1 68 4.0
 1 76 4.0
 1 80 3.5
 1 84 4.1
 1 50 2.3
 1 93 4.7
 1 55 1.7
 1 76 4.9
 1 58 1.7
 1 74 4.6
 1 75 3.4
 2 80 4.3
 2 56 1.7
 2 80 3.9
 2 69 3.7
 2 57 3.1
 2 90 4.0
 2 42 1.8
 2 91 4.1
 2 51 1.8
 2 79 3.2
 2 53 1.9
 2 82 4.6
 2 51 2.0
 3 76 4.5
 3 82 3.9
 3 84 4.3
 3 53 2.3
 3 86 3.8
 3 51 1.9
 3 85 4.6
 3 45 1.8
 3 88 4.7
 3 51 1.8
 3 80 4.6
 3 49 1.9
 3 82 3.5
 4 75 4.0
 4 73 3.7
 4 67 3.7
 4 68 4.3
 4 86 3.6
 4 72 3.8
 4 75 3.8
 4 75 3.8
 4 66 2.5
 4 84 4.5
 4 70 4.1
 4 79 3.7
 4 60 3.8
 4 86 3.4
 5 71 4.0
 5 67 2.3
 5 81 4.4
 5 76 4.1
 5 83 4.3
 5 76 3.3
 5 55 2.0
 5 73 4.3
 5 56 2.9
 5 83 4.6
 5 57 1.9
 5 71 3.6
 5 72 3.7
 5 77 3.7
 6 55 1.8
 6 75 4.6
 6 73 3.5
 6 70 4.0
 6 83 3.7
 6 50 1.7
 6 95 4.6
 6 51 1.7
 6 82 4.0
 6 54 1.8
 6 83 4.4
 6 51 1.9
 6 80 4.6
 6 78 2.9
 7 81 3.5
 7 53 2.0
 7 89 4.3
 7 44 1.8
 7 78 4.1
 7 61 1.8
 7 73 4.7
 7 75 4.2
 7 73 3.9
 7 76 4.3
 7 55 1.8
 7 86 4.5
 7 48 2.0
 8 77 4.2
 8 73 4.4
 8 70 4.1
 8 88 4.1
 8 75 4.0
 8 83 4.1
 8 61 2.7
 8 78 4.6
 8 61 1.9
 8 81 4.5
 8 51 2.0
 8 80 4.8
 8 79 4.1



MORE DATA RECORDED A YEAR LATER, IN AUGUST 16-23 1979 

16 82 4.1
16 80 4.2
16 76 4.5
16 56 1.9
16 82 4.7
16 47 2.0
16 76 4.7
16 61 2.5
16 75 4.3
16 72 4.4
16 74 4.4
16 69 4.3
16 78 4.6
16 52 2.1
17 91 4.8
17 66 4.1
17 71 4.0
17 75 4.0
17 81 4.4
17 77 4.1
17 74 4.3
17 70 4.0
17 83 3.9
17 53 3.2
17 82 4.5
17 62 2.2
17 73 4.7
17 84 4.6
18 58 2.2
18 82 4.8
18 77 4.3
18 75 3.8
18 77 4.0
18 77 4.1
18 53 1.8
18 75 4.4
18 78 4.0
18 51 2.2
18 81 5.1
18 52 1.9
18 76 5.0
18 73 4.4
19 84 4.5
19 72 3.8
19 89 4.3
19 75 4.4
19 57 2.2
19 81 4.8
19 49 1.9
19 87 4.7
19 43 1.8
19 94 4.8
19 45 2.0
19 81 4.4
19 59 2.5
19 82 4.3
20 80 4.4
20 54 1.9
20 75 4.7
20 73 4.3
20 57 2.2
20 80 4.7
20 51 2.3
20 77 4.6
20 66 3.3
20 77 4.2
20 60 2.9
20 86 4.6
20 62 3.3
20 75 4.2
20 67 2.6
20 69 4.6
21 84 3.7
21 58 1.8
21 90 4.7
21 82 4.5
21 71 4.5
21 80 4.8
21 51 2.0
21 80 4.8
21 62 1.9
21 84 4.7
21 51 2.0
21 81 5.1
21 83 4.3
21 84 4.8
22 72 3.0
22 54 2.1
22 75 4.6
22 74 4.0
22 51 2.2
22 91 5.1
22 60 2.9
22 80 4.3
22 54 2.1
22 80 4.7
22 70 4.5
22 60 1.7
22 86 4.2
22 78 4.3
23 51 1.7
23 83 4.4
23 76 4.2
23 51 2.2
23 90 4.7
23 71 4.0
23 49 1.8
23 88 4.7
23 52 1.8
23 79 4.5
23 61 2.1
23 81 4.2
23 48 2.1
23 84 5.2
23 63 2.0