| datetime   | gage height |
|------------|-------------|
| 2017-10-26 | 74.14       |
| 2017-10-27 | 74.62       |
| 2017-10-28 | 74.42       |
| 2017-10-29 | 74.59       |
| 2017-10-30 | 74.28       |
| 2017-10-31 | 74.74       |
| 2017-11-01 | 75.26       |
| 2017-11-02 | 74.34       |
| 2017-11-03 | 74.45       |
| 2017-11-04 | 74.68       |
| 2017-11-05 | 74.43       |
| 2017-11-06 | 75.13       |
| 2017-11-07 | 74.4        |
| 2017-11-08 | 74.61       |
| 2017-11-09 | 73.84       |
| 2017-11-10 | 73.91       |
| 2017-11-11 | 74.29       |
| 2017-11-12 | 73.72       |
| 2017-11-13 | 74.08       |
| 2017-11-14 | 73.86       |
| 2017-11-15 | 74.15       |
| 2017-11-16 | 73.83       |
| 2017-11-17 | 74.02       |
| 2017-11-18 | 74.11       |
| 2017-11-19 | 74.15       |
| 2017-11-20 | 74.41       |
| 2017-11-21 | 73.77       |
| 2017-11-22 | 74.26       |
| 2017-11-23 | 73.68       |
| 2017-11-24 | 74.05       |
| 2017-11-25 | 74.22       |
| 2017-11-26 | 73.78       |
| 2017-11-27 | 74.1        |
| 2017-11-28 | 73.92       |
| 2017-11-29 | 74.34       |
| 2017-11-30 | 73.93       |
| 2017-12-01 | 74.01       |
| 2017-12-02 | 74.13       |
| 2017-12-03 | 73.69       |
| 2017-12-04 | 74.09       |
| 2017-12-05 | 73.98       |
| 2017-12-06 | 74.6        |
| 2017-12-07 | 74.02       |
| 2017-12-08 | 74.15       |
| 2017-12-09 | 74.39       |
| 2017-12-10 | 73.96       |
| 2017-12-11 | 73.98       |
| 2017-12-12 | 74.22       |
| 2017-12-13 | 73.88       |
| 2017-12-14 | 74.08       |
| 2017-12-15 | 73.9        |
| 2017-12-16 | 74.1        |
| 2017-12-17 | 75.77       |
| 2017-12-18 | 75.64       |
| 2017-12-19 | 75.5        |
| 2017-12-20 | 75.81       |
| 2017-12-21 | 75.83       |
| 2017-12-22 | 75.87       |
| 2017-12-23 | 75.94       |
| 2017-12-24 | 75.84       |
| 2017-12-25 | 76.09       |
| 2017-12-26 |             |
| 2017-12-27 | 76.23       |
| 2017-12-28 |             |
| 2017-12-29 | 76.3        |
| 2017-12-30 | 75.75       |
| 2017-12-31 | 76.07       |
| 2018-01-01 | 75.76       |
| 2018-01-02 | 75.59       |
| 2018-01-03 | 74.16       |
| 2018-01-04 | 74.27       |
| 2018-01-05 | 73.84       |
| 2018-01-06 | 74.38       |
| 2018-01-07 | 73.89       |
| 2018-01-08 | 74.1        |
| 2018-01-09 | 73.95       |
| 2018-01-10 | 74.08       |
| 2018-01-11 | 74.04       |
| 2018-01-12 | 74.05       |
| 2018-01-13 | 74.03       |
| 2018-01-14 | 74.02       |
| 2018-01-15 | 74.07       |
| 2018-01-16 | 73.9        |
| 2018-01-17 | 74.16       |
| 2018-01-18 | 73.76       |
| 2018-01-19 | 74.28       |
| 2018-01-20 | 73.89       |
| 2018-01-21 | 74.01       |
| 2018-01-22 | 74.13       |
| 2018-01-23 | 74.05       |
| 2018-01-24 | 74.2        |
| 2018-01-25 | 73.78       |
| 2018-01-26 | 74.31       |
| 2018-01-27 | 73.82       |
| 2018-01-28 | 74.23       |
| 2018-01-29 | 73.72       |
| 2018-01-30 | 74.25       |
| 2018-01-31 | 73.43       |
| 2018-02-01 | 72.15       |
| 2018-02-02 | 72.07       |
| 2018-02-03 | 72.08       |
| 2018-02-04 | 72.09       |
| 2018-02-05 | 72.73       |
| 2018-02-06 | 74.28       |
| 2018-02-07 | 74.24       |
| 2018-02-08 | 74.02       |
| 2018-02-09 | 74.04       |
| 2018-02-10 | 73.74       |
| 2018-02-11 | 73.49       |
| 2018-02-12 | 73.36       |
| 2018-02-13 | 73.24       |
| 2018-02-14 | 74.03       |
| 2018-02-15 | 73.59       |
| 2018-02-16 | 73.45       |
| 2018-02-17 | 73.33       |
| 2018-02-18 | 73.2        |
| 2018-02-19 | 73.17       |
| 2018-02-20 | 74.44       |
| 2018-02-21 | 74.22       |
| 2018-02-22 | 74.06       |
| 2018-02-23 | 73.92       |
| 2018-02-24 | 74.03       |
| 2018-02-25 | 73.74       |
| 2018-02-26 | 73.64       |
| 2018-02-27 | 73.62       |
| 2018-02-28 | 74.5        |
| 2018-03-01 | 74.35       |
| 2018-03-02 | 74.21       |
| 2018-03-03 | 74.11       |
| 2018-03-04 | 74.15       |
| 2018-03-05 | 73.95       |
| 2018-03-06 | 74.07       |
| 2018-03-07 | 74.06       |
| 2018-03-08 | 74.15       |
| 2018-03-09 | 74.28       |
| 2018-03-10 | 74.23       |
| 2018-03-11 | 73.53       |
| 2018-03-12 | 73.41       |
| 2018-03-13 | 73.97       |
| 2018-03-14 | 74.02       |