"ozone" <-
structure(list(month = c(1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 
4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 
6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 
6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 
7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 
8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 
8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 
9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 
10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 
10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 
11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 
11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 
12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 
12, 12, 12, 12), day = c(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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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), weekday = c(4, 
5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 
5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 
5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 
5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 
5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 
5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 
5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 
5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 
5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 
5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 
5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 
5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 
5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 
5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 
5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 
5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 
5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 
5, 6, 7, 1, 2, 3, 4, 5), maxozone = c(3, 3, 3, 5, 5, 6, 4, 4, 
6, 7, 4, 6, 5, 4, 4, 7, 5, 9, 4, 3, 4, 4, 5, 6, 9, 5, 6, 6, 6, 
11, 10, 7, 12, 9, 2, 3, 3, 2, 3, 3, 4, 6, 8, 6, 4, 3, 7, 11, 
13, 4, 6, 5, 4, 4, 6, 10, 15, 23, 17, 7, 2, 3, 3, 5, 4, 6, 7, 
7, 6, 3, 2, 8, 12, 12, 16, 9, 24, 13, 8, 10, 8, 9, 10, 13, 14, 
9, 11, 7, 9, 12, 12, 8, 9, 5, 4, 4, 9, 13, 5, 10, 10, 7, 5, 4, 
7, 3, 4, 7, 11, 15, 22, 17, 7, 10, 19, 18, 12, 6, 9, 19, 21, 
29, 16, 5, 11, 2, 2, 12, 16, 22, 20, 27, 33, 25, 31, 18, 16, 
24, 16, 12, 9, 12, 16, NA, 8, 9, 29, 20, 5, 5, 11, 12, 19, 17, 
19, 16, 14, 10, 9, 7, 5, 2, 12, 22, 17, 26, 27, 14, 11, 23, 26, 
21, 15, 20, 15, 18, 26, 19, 13, 30, 26, 15, 16, 16, 19, 23, 28, 
34, 33, NA, 24, 17, 10, 14, 13, 17, 15, 22, 19, 20, 25, 28, 29, 
NA, 23, 26, 14, 13, 26, 22, 11, 15, 14, 13, 9, 12, 15, 12, 15, 
25, 18, 14, 22, 24, 19, 16, 7, 2, 4, 6, 12, 9, 15, 17, 13, 20, 
22, 24, 26, 32, 33, 27, 38, 23, 19, 19, 15, 28, 10, 14, 26, 17, 
3, 2, 3, 14, 29, 18, 3, 7, 9, 19, 8, NA, 23, 13, NA, 7, 3, 5, 
11, 12, 5, 4, 5, 4, 10, 17, 26, 30, 18, 12, 7, 15, 12, 7, 28, 
22, 18, 14, 24, 10, 14, 9, 12, 7, 7, 6, 13, 5, 3, 7, 8, 10, 12, 
7, 5, 6, 4, 5, 11, 20, 4, 14, 16, 5, 3, 5, 1, 5, 4, 11, 6, 8, 
14, 18, 12, 9, 7, 14, 4, 3, 3, 3, 3, 3, 3, 3, 6, 6, 5, 3, 4, 
7, 5, 5, 4, 3, 2, 5, 3, 4, 4, 6, 6, 3, 4, 3, 8, 5, 3, 2, 3, 5, 
1, 2), pressure = c(5480, 5660, 5710, 5700, 5760, 5720, 5790, 
5790, 5700, 5700, 5770, 5720, 5760, 5780, 5830, 5870, 5840, 5780, 
5680, 5720, 5760, 5730, 5700, 5650, 5680, 5780, 5820, 5830, 5810, 
5790, 5800, 5820, 5770, 5670, 5590, 5410, 5350, 5480, 5600, 5490, 
5560, 5700, 5680, 5700, 5650, 5610, 5730, 5770, 5770, 5700, 5690, 
5700, 5730, 5690, 5640, 5720, 5740, 5740, 5740, 5670, 5550, 5470, 
5320, NA, 5530, 5600, 5660, 5580, 5510, 5530, 5620, 5690, 5760, 
5740, 5780, 5790, 5760, 5700, 5680, 5720, 5720, 5730, 5710, 5750, 
5720, 5710, 5600, 5630, 5690, 5730, 5710, 5610, 5680, 5620, 5420, 
5540, 5590, 5690, 5550, 5620, 5630, 5580, 5560, 5440, 5480, 5620, 
5450, 5660, 5680, 5760, 5790, 5720, 5660, 5710, 5780, 5750, 5700, 
5620, 5650, 5730, 5810, 5790, 5740, NA, 5690, NA, 5680, 5650, 
5730, 5730, 5760, 5830, 5880, 5890, 5850, 5820, NA, 5800, 5740, 
5710, 5720, 5710, 5740, 5720, 5690, 5730, 5780, 5790, 5750, 5680, 
5720, 5770, 5800, 5780, 5740, 5730, 5760, 5770, 5690, 5650, 5610, 
5570, 5690, 5760, 5810, 5830, 5880, 5860, 5830, 5870, 5860, 5800, 
5800, 5770, 5860, 5870, 5870, 5860, 5880, 5870, 5860, 5830, 5820, 
5820, 5860, 5870, 5890, 5900, 5890, 5890, 5910, 5900, 5860, 5830, 
5850, 5830, NA, 5810, 5830, 5830, 5840, 5870, 5870, 5850, 5860, 
5900, 5890, 5880, 5890, 5870, NA, NA, 5820, 5780, 5770, 5790, 
5820, 5840, 5800, 5830, 5800, 5840, NA, 5910, 5890, 5870, 5780, 
5730, 5780, 5750, 5760, 5730, 5730, 5790, 5750, 5880, 5890, 5880, 
5870, 5900, 5920, 5930, 5950, 5950, 5900, 5890, 5860, 5840, 5800, 
5760, 5810, 5850, NA, NA, 5760, 5860, 5830, 5840, 5800, NA, 5790, 
5830, 5810, 5770, 5780, 5800, 5770, 5800, 5780, 5790, 5770, 5750, 
5640, 5640, 5650, 5710, 5760, 5840, 5880, 5890, 5890, 5890, 5890, 
5850, 5830, 5830, 5860, 5830, 5800, 5830, 5790, 5730, 5780, 5740, 
5710, 5690, 5670, 5760, 5820, 5790, 5760, 5800, 5810, 5750, 5840, 
5860, 5870, 5920, 5900, 5860, 5840, 5840, 5850, 5810, 5770, 5710, 
5500, 5660, 5700, 5810, 5860, 5900, 5850, 5780, 5790, 5780, 5770, 
5750, 5780, 5790, 5750, 5670, 5760, 5770, 5810, 5810, 5870, 5830, 
5760, 5680, 5780, 5810, 5760, 5680, 5750, 5790, 5770, 5750, 5720, 
5760, 5780, 5660, 5610, 5640, 5680, 5650, 5710, 5680, 5630, 5770, 
5800, 5730, 5690, 5650, 5550, NA), wind = c(8, 6, 4, 3, 3, 4, 
6, 3, 3, 3, 8, 3, 6, 6, 3, 2, 5, 4, 5, 4, 3, 4, 5, 5, 3, 3, 5, 
4, 5, 3, 2, 5, 8, 3, 3, 6, 7, 9, 7, 11, 10, 3, 5, 4, 5, 5, 5, 
5, 3, 5, 8, 3, 11, 7, 5, 6, 3, 3, 3, 7, 10, 7, 11, 8, 3, 3, 7, 
5, 5, 5, 9, 0, 4, 3, 5, 2, 3, 4, 4, 5, 5, 4, 5, 6, 4, 3, 6, 4, 
7, 6, 3, 6, 5, 6, 7, 5, 6, 6, 7, 7, 6, 7, 4, 5, 7, 5, 11, 6, 
6, 4, 4, 5, 6, 5, 7, 7, 5, 9, 6, 5, 4, 4, 8, 8, 4, 4, 6, 8, 6, 
3, 7, 6, 3, 6, 4, 6, 7, 7, 3, 7, 8, 7, 5, 3, 9, 5, 3, 7, 3, 6, 
3, 4, 4, 8, 6, 6, 6, 7, 8, 6, 3, 9, 5, 3, 5, 4, 6, 3, 6, 4, 3, 
3, 4, 5, 4, 7, 4, 6, 5, 7, 4, 5, 5, 8, 6, 3, 6, 6, 5, 5, 4, 5, 
3, 3, 9, 6, 6, 8, 4, 5, 7, 6, 4, 4, 3, 3, 4, 4, 6, 8, 6, 6, 6, 
6, 3, 4, 6, 6, 7, 4, 3, 7, 3, 5, 5, 6, 7, 5, 7, 7, 5, 7, 5, 4, 
3, 3, 7, 4, 7, 6, 4, 3, 5, 8, 5, 8, 7, 5, 6, 7, 6, 4, 5, 6, 7, 
4, 5, 5, 7, 10, 3, 5, 5, 5, 6, 6, 3, 5, 9, 8, 5, 4, 5, 7, 3, 
6, 6, 4, 3, 5, 4, 5, 6, 3, 5, 8, 5, 5, 7, 4, 5, 4, 5, 7, 8, 6, 
4, 4, 5, 3, 5, 6, 7, 4, 0, 3, 6, 3, 0, 7, 3, 0, 5, 2, 2, 4, 9, 
3, 3, 5, 0, 0, 5, 3, 0, 2, 2, 2, 5, 5, 6, 8, 0, 4, 2, 2, 3, 2, 
0, 0, 4, 3, 0, 0, 0, 5, 3, 0, 0, 3, 0, 4, 2, 0, 3, 5, 4, 4, 4, 
0, 7, 3, 3, 3, 4, 4), humidity = c(20, NA, 28, 37, 51, 69, 19, 
25, 73, 59, 27, 44, 33, 19, 19, 19, 19, 59, 73, 19, 19, 26, 59, 
70, 64, NA, 19, NA, 19, 28, 32, 19, 76, 69, 76, 64, 62, 72, 76, 
72, 72, 32, 50, 86, 61, 62, 66, 68, 82, NA, 21, 19, 19, 19, 68, 
63, 54, 47, 56, 61, 74, 46, 45, 33, 43, 21, 57, 42, 50, 61, 61, 
60, 31, 66, 53, 42, 60, 82, 57, 21, 19, 32, 77, 70, 71, 19, 45, 
44, 70, 45, 46, 50, 69, 67, 69, 54, 51, 63, 63, 57, 61, 78, 65, 
44, 51, 73, 35, 35, 61, 50, 57, 68, 58, 65, 78, 73, 41, 47, 46, 
61, 55, 60, 78, 62, 71, 67, 77, 66, 74, 78, 78, 75, 80, 88, 76, 
63, 68, 78, 74, 63, 62, 69, 53, 64, 62, 71, 68, 79, 76, 71, 66, 
81, 72, 92, 71, 64, 68, 59, 67, 66, 61, 81, 63, 58, 68, 71, 67, 
64, 64, 69, 77, 61, 69, 64, 33, 38, 54, 39, 43, 55, 77, 63, 65, 
64, 68, 76, 71, 86, 65, 69, 73, 69, 64, 63, 72, 82, 83, 69, 74, 
69, 72, 73, 90, 79, 80, 73, 71, 78, 80, 74, 70, 71, 63, 57, 55, 
65, NA, NA, NA, NA, NA, 65, 74, 72, 79, 62, 65, 77, 70, 58, 58, 
72, 77, 57, 67, 73, 70, 73, 73, 71, 77, 68, 62, 61, 71, 77, 71, 
67, 74, 65, 82, 67, 73, 74, 87, 71, 77, 78, 72, 67, 71, 71, 76, 
76, 76, 73, 66, 80, 73, 80, 75, 68, 93, 57, 70, 65, 66, 73, 77, 
80, 73, 19, 19, 73, 76, 77, 86, 76, 66, 74, 71, 84, 74, 48, 75, 
74, 67, 75, 71, 35, 23, 19, 59, 60, 38, NA, NA, 22, NA, 19, NA, 
45, NA, 47, 73, 67, 56, 54, 71, 59, 25, 24, 41, 50, 76, 82, 81, 
85, 76, 66, 58, 19, 19, 19, 19, 19, 19, 27, 64, 52, 19, 19, 32, 
58, 26, 19, 19, 19, 19, 19, 19, 19, 58, 51, 52, 19, 19, 57, 50, 
NA, 19, 53, 23, 61, 85, 68), temp.sandburg = c(NA, 38, 40, 45, 
54, 35, 45, 55, 41, 44, 54, 51, 51, 54, 58, 61, 64, 67, 52, 54, 
54, 58, 69, 51, 53, 56, 59, 59, 64, 63, 63, 62, 63, 54, 36, 31, 
30, 36, 42, 37, 41, 46, 51, 55, 41, 41, 49, 45, 55, 45, 41, 45, 
51, 53, 50, 60, 54, 53, 53, 44, 40, 30, 25, 39, 40, 45, 51, 48, 
45, 47, 43, 49, 56, 53, 61, 63, 70, 57, 35, 52, 59, 67, 57, NA, 
42, 55, 40, 39, 57, 58, 62, 51, 61, 34, 35, 35, 48, 59, 41, 58, 
51, 46, 40, 35, 46, 39, 32, 47, 50, 65, 66, 69, 59, 64, 68, 49, 
52, 56, 55, 66, 74, 76, 70, 61, 67, 45, 41, 61, 68, 69, 74, 74, 
80, 84, 78, 80, 73, 76, 74, 66, 66, 63, 69, 66, 62, 67, 80, 76, 
65, 65, 63, 62, 68, 68, 69, 66, 70, 70, 64, 61, 52, 48, 59, 67, 
66, 74, 83, 78, 75, 84, 81, 79, 79, 65, 81, 84, 83, 90, 90, 93, 
88, 72, 72, 70, 78, 87, 91, 87, 91, 90, 88, 83, 78, 79, 77, 81, 
76, 76, 78, 75, 82, 84, 86, 70, 80, 80, 84, 84, 81, 85, 79, 72, 
73, 72, 68, 65, 64, 75, 69, 69, 72, 79, 78, 81, 80, 76, 59, 55, 
66, 64, 62, 67, 74, 74, 70, 77, 83, 81, 73, 87, 89, 92, 92, 93, 
93, 86, 76, 81, 78, 73, 80, 81, 69, 59, 52, 63, 72, 75, 55, 59, 
61, 71, 71, 66, 72, 75, 71, 65, 61, 60, 64, 61, 63, 62, 59, 56, 
59, 72, 71, 75, 71, 71, 73, 78, 73, 71, 73, 71, 66, 69, 69, 64, 
65, 54, 62, 56, 55, 58, 48, 54, 57, 60, 61, 63, 65, 66, 68, 71, 
70, 70, 70, 68, 64, 69, 59, 49, 39, 50, 46, 54, 60, 62, 65, 66, 
66, 63, 62, 60, 63, 60, 58, 34, 36, 44, 53, 52, 53, 58, 55, 50, 
48, 51, 62, 40, 44, 49, 53, 53, 53, 55, 51, 54, 48, 53, 49, 48, 
51, 47, 50, 49, 51, 51, 51, 50, 39, 37), temp.monte = c(NA, NA, 
NA, NA, 45.32, 49.64, 46.4, 52.7, 48.02, NA, NA, 54.32, 57.56, 
56.12, 62.24, 64.94, NA, NA, 56.48, NA, 53.6, 52.7, 51.08, NA, 
NA, 53.6, 59.36, 60.08, 56.66, 57.38, NA, NA, 57.2, 45.5, 37.4, 
32.18, 32.54, NA, NA, 38.48, 40.46, NA, 47.12, 49.28, NA, NA, 
NA, 52.88, 55.4, 38.12, 43.88, NA, NA, 50.18, 37.4, 53.06, 56.48, 
58.82, NA, NA, 38.84, 29.66, 27.68, 30.2, 36.14, NA, NA, 40.64, 
36.86, 33.8, 37.04, 46.04, NA, NA, 57.92, 57.02, 58.64, 50.36, 
40.1, NA, NA, 59.54, 57.38, 56.3, 44.96, 51.8, NA, NA, 46.58, 
52.52, 52.52, 50, 51.44, NA, NA, 33.26, 38.12, 52.88, 37.58, 
46.76, NA, NA, 34.7, 33.08, 37.4, 39.56, NA, NA, NA, 56.3, 63.68, 
60.8, 42.8, 56.3, NA, NA, 49.64, 39.92, 40.82, 59.72, 67.28, 
NA, NA, 44.42, 52.52, 41.72, 42.98, 51.8, NA, NA, 63.14, 67.28, 
73.04, 73.22, 71.24, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, 
49.82, NA, NA, 51.08, NA, NA, NA, NA, 64.76, 64.4, 60.44, NA, 
NA, 54.5, 53.78, 42.08, 41.72, 51.8, NA, NA, 71.78, 72.5, 68.72, 
66.2, 74.12, NA, NA, 66.2, 65.12, 72.68, 76.1, NA, NA, NA, NA, 
NA, NA, NA, NA, NA, NA, NA, 81.68, NA, NA, 79.88, NA, NA, 70.88, 
69.44, 73.22, 72.32, 67.64, NA, NA, 68, 74.12, 74.48, 65.12, 
67.28, NA, NA, 70.7, 69.8, 71.42, 67.82, 66.02, NA, NA, 62.6, 
56.48, 62.06, 65.12, 63.32, NA, NA, 67.1, 66.02, 70.88, 69.8, 
NA, NA, NA, 51.44, 56.48, 52.16, NA, 64.04, NA, NA, NA, 70.88, 
73.76, 75.2, 76.46, NA, NA, 82.4, 81.68, 82.58, 71.42, 69.44, 
NA, NA, NA, 71.78, 70.88, 66.92, 61.88, NA, NA, 68.72, 69.26, 
54.32, 51.44, 50.54, NA, NA, 62.96, 66.38, 67.1, 63.68, 60.08, 
NA, NA, 55.94, 59.54, 54.32, 54.32, 50.9, NA, NA, 63.14, 67.64, 
71.06, 70.88, 70.52, NA, NA, NA, 67.1, 69.8, 69.44, 62.96, NA, 
NA, 56.3, 63.14, 62.96, 58.64, 52.34, NA, NA, NA, NA, 53.42, 
57.02, 55.76, NA, NA, 65.12, 68.9, 69.08, 68.72, 62.78, NA, NA, 
64.04, 60.98, 57.2, 44.24, 41.36, NA, NA, 54.5, 61.52, 62.6, 
59.54, 59.72, NA, NA, 60.62, 59.72, 60.44, NA, 42.62, NA, NA, 
51.26, 55.94, 57.74, 60.8, 59, NA, NA, 54.14, 58.28, 56.12, 46.94, 
52.88, NA, NA, 51.98, 52.7, 58.1, 54.32, 49.64, NA, NA, 48.38, 
47.12, 51.08, 45.32, NA, NA, NA, 49.28, 49.28, 46.58, 41, NA), inversion.feet = c(5000, 
NA, 2693, 590, 1450, 1568, 2631, 554, 2083, 2654, 5000, 111, 
492, 5000, 1249, 5000, 5000, 639, 393, 5000, 5000, 5000, 3044, 
3641, 111, 692, 597, NA, 1791, 793, 531, 419, 816, 3651, 5000, 
5000, 1341, 5000, 3799, 5000, 5000, 5000, 5000, 2398, 5000, 4281, 
1161, 2778, 442, NA, 5000, 5000, 5000, 5000, 5000, 1341, 1318, 
885, 360, 3497, 5000, 5000, 5000, 5000, 5000, 5000, 5000, 3608, 
5000, 5000, 5000, 613, 334, 567, 488, 531, 508, 1571, 721, 505, 
377, 442, 902, 3188, 1381, 5000, 5000, 1302, 1292, 5000, 472, 
1404, 944, 5000, 5000, 5000, 5000, 2014, 5000, 5000, 524, 5000, 
5000, 5000, 2490, 5000, 5000, 5000, 1144, 547, 413, 610, 3638, 
3848, 1479, 1108, 869, 5000, 5000, 1148, 856, 807, 2040, 5000, 
314, 5000, 5000, 1410, 360, 1568, 1184, 898, 436, 774, 1181, 
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2053, 1958, 3644, 1368, 3539, 2785, 984, 1804, 3234, 3441, 1578, 
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748, 692, 807, 869, 800, 393, 557, 620, 1404, 898, 377, 528, 
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308, 2982, 5000, 5000, 5000, 5000, 3070, 830, 711, 1049, 511, 
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2270, 2191, 3448, 5000, 5000, 2719, 1899, 5000, 5000, 5000, 2385, 
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501, 875, 1601, 5000, 5000, 5000, 2280, 2047, 5000, 3720, 311, 
2536, 1154, 2933, 3064, 826, 5000, 111, 5000, 5000, 5000, 5000, 
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37.58, 45.86, 45.5, 53.78, 36.32, 41.36, 52.88, 55.76, 58.28, 
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49.46, 40.1, 29.3, 27.5, 30.02, 33.62, 39.02, 42.08, 39.38, 32.9, 
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