Hi Brian,
I managed to get the data from the source and from WD side by side.
The data on the left is the source, on the right from WD.
As you can see, from 04:58, WD is missing data:
12-11-2018 04:33:00, 0.00, 0.00 12/11/2018 04:33 0.000 0 0.000
12-11-2018 04:34:00, 10.00, 0.01 12/11/2018 04:34 0.000 10 0.010
12-11-2018 04:35:00, 10.00, 0.01 12/11/2018 04:35 0.010 10 0.010
12-11-2018 04:36:00, 0.00, 0.01 12/11/2018 04:36 0.000 0 0.010
12-11-2018 04:37:00, 0.00, 0.01 12/11/2018 04:37 0.000 0 0.010
12-11-2018 04:38:00, 10.00, 0.02 12/11/2018 04:38 0.000 10 0.020
12-11-2018 04:39:00, 10.00, 0.02 12/11/2018 04:39 0.010 10 0.020
12-11-2018 04:40:00, 0.00, 0.02 12/11/2018 04:40 0.000 0 0.020
12-11-2018 04:41:00, 0.00, 0.02 12/11/2018 04:41 0.000 0 0.020
12-11-2018 04:42:00, 0.00, 0.02 12/11/2018 04:42 0.000 0 0.020
12-11-2018 04:43:00, 0.00, 0.02 12/11/2018 04:43 0.000 0 0.020
12-11-2018 04:44:00, 0.00, 0.02 12/11/2018 04:44 0.000 0 0.020
12-11-2018 04:45:00, 0.00, 0.02 12/11/2018 04:45 0.000 0 0.020
12-11-2018 04:46:00, 0.00, 0.02 12/11/2018 04:46 0.000 0 0.020
12-11-2018 04:47:00, 0.00, 0.02 12/11/2018 04:47 0.000 0 0.020
12-11-2018 04:48:00, 10.00, 0.03 12/11/2018 04:48 0.000 10 0.030
12-11-2018 04:49:00, 10.00, 0.03 12/11/2018 04:49 0.010 10 0.030
12-11-2018 04:50:00, 0.00, 0.03 12/11/2018 04:50 0.000 0 0.030
12-11-2018 04:51:00, 0.00, 0.03 12/11/2018 04:51 0.000 0 0.030
12-11-2018 04:52:00, 10.00, 0.04 12/11/2018 04:52 0.000 10 0.040
12-11-2018 04:53:00, 10.00, 0.04 12/11/2018 04:53 0.010 10 0.040
12-11-2018 04:54:00, 10.00, 0.04 12/11/2018 04:54 0.000 10 0.040
12-11-2018 04:55:00, 0.00, 0.04 12/11/2018 04:55 0.000 0 0.040
12-11-2018 04:56:00, 0.00, 0.04 12/11/2018 04:56 0.000 0 0.040
12-11-2018 04:57:00, 0.00, 0.04 12/11/2018 04:57 0.000 0 0.040
12-11-2018 04:58:00, 0.00, 0.05 12/11/2018 04:58 0.000 0 0.040
12-11-2018 04:59:00, 10.00, 0.05 12/11/2018 04:59 0.000 10 0.040
12-11-2018 05:00:00, 10.00, 0.05 12/11/2018 05:00 0.000 10 0.040
12-11-2018 05:01:00, 0.00, 0.05 12/11/2018 05:01 0.000 0 0.040
12-11-2018 05:02:00, 10.00, 0.06 12/11/2018 05:02 0.000 10 0.050
12-11-2018 05:03:00, 10.00, 0.06 12/11/2018 05:03 0.010 10 0.050
12-11-2018 05:04:00, 0.00, 0.06 12/11/2018 05:04 0.000 0 0.050
12-11-2018 05:05:00, 0.00, 0.06 12/11/2018 05:05 0.000 0 0.050
12-11-2018 05:06:00, 0.00, 0.06 12/11/2018 05:06 0.000 0 0.050
12-11-2018 05:07:00, 0.00, 0.06 12/11/2018 05:07 0.000 0 0.050
12-11-2018 05:08:00, 10.00, 0.07 12/11/2018 05:08 0.000 10 0.060
12-11-2018 05:09:00, 10.00, 0.07 12/11/2018 05:09 0.010 10 0.060
12-11-2018 05:10:00, 10.00, 0.08 12/11/2018 05:10 0.000 10 0.070
12-11-2018 05:11:00, 10.00, 0.09 12/11/2018 05:11 0.010 10 0.080
12-11-2018 05:12:00, 10.00, 0.09 12/11/2018 05:12 0.010 10 0.080
12-11-2018 05:13:00, 0.00, 0.09 12/11/2018 05:13 0.000 0 0.080
12-11-2018 05:14:00, 0.00, 0.09 12/11/2018 05:14 0.000 0 0.080
12-11-2018 05:15:00, 10.00, 0.10 12/11/2018 05:15 0.000 10 0.090
12-11-2018 05:16:00, 10.00, 0.10 12/11/2018 05:16 0.010 10 0.090
12-11-2018 05:17:00, 0.00, 0.10 12/11/2018 05:17 0.000 0 0.090
12-11-2018 05:18:00, 0.00, 0.10 12/11/2018 05:18 0.000 0 0.090
12-11-2018 05:19:00, 10.00, 0.11 12/11/2018 05:19 0.000 10 0.100
12-11-2018 05:20:00, 10.00, 0.11 12/11/2018 05:20 0.010 10 0.100
12-11-2018 05:21:00, 10.00, 0.12 12/11/2018 05:21 0.000 10 0.110
12-11-2018 05:22:00, 10.00, 0.12 12/11/2018 05:22 0.010 10 0.110
12-11-2018 05:23:00, 10.00, 0.13 12/11/2018 05:23 0.000 10 0.120
12-11-2018 05:24:00, 10.00, 0.14 12/11/2018 05:24 0.010 10 0.130
12-11-2018 05:25:00, 10.00, 0.14 12/11/2018 05:25 0.010 10 0.130
12-11-2018 05:26:00, 10.00, 0.14 12/11/2018 05:26 0.000 10 0.130
12-11-2018 05:27:00, 10.00, 0.15 12/11/2018 05:27 0.000 10 0.140
12-11-2018 05:28:00, 10.00, 0.16 12/11/2018 05:28 0.010 10 0.150
12-11-2018 05:29:00, 10.00, 0.16 12/11/2018 05:29 0.010 10 0.150
12-11-2018 05:30:00, 10.00, 0.17 12/11/2018 05:30 0.000 10 0.160
12-11-2018 05:31:00, 10.00, 0.17 12/11/2018 05:31 0.010 10 0.160
12-11-2018 05:32:00, 10.00, 0.18 12/11/2018 05:32 0.000 10 0.170
12-11-2018 05:33:00, 10.00, 0.18 12/11/2018 05:33 0.010 10 0.170
12-11-2018 05:34:00, 0.00, 0.18 12/11/2018 05:34 0.000 0 0.170
12-11-2018 05:35:00, 10.00, 0.19 12/11/2018 05:35 0.000 10 0.180
12-11-2018 05:36:00, 10.00, 0.19 12/11/2018 05:36 0.010 10 0.180
12-11-2018 05:37:00, 10.00, 0.19 12/11/2018 05:37 0.000 10 0.180
12-11-2018 05:38:00, 10.00, 0.20 12/11/2018 05:38 0.000 10 0.190
12-11-2018 05:39:00, 10.00, 0.20 12/11/2018 05:39 0.010 10 0.190
12-11-2018 05:40:00, 0.00, 0.20 12/11/2018 05:40 0.000 0 0.190
12-11-2018 05:41:00, 0.00, 0.20 12/11/2018 05:41 0.000 0 0.190
12-11-2018 05:42:00, 10.00, 0.21 12/11/2018 05:42 0.000 10 0.200
12-11-2018 05:43:00, 10.00, 0.21 12/11/2018 05:43 0.010 10 0.200
12-11-2018 05:44:00, 0.00, 0.21 12/11/2018 05:44 0.000 0 0.200
12-11-2018 05:45:00, 10.00, 0.22 12/11/2018 05:45 0.000 10 0.210
12-11-2018 05:46:00, 10.00, 0.22 12/11/2018 05:46 0.010 10 0.210
12-11-2018 05:47:00, 10.00, 0.23 12/11/2018 05:47 0.000 9 0.220
12-11-2018 05:48:00, 10.00, 0.23 12/11/2018 05:48 0.010 10 0.220
12-11-2018 05:49:00, 10.00, 0.24 12/11/2018 05:49 0.000 10 0.230
12-11-2018 05:50:00, 10.00, 0.25 12/11/2018 05:50 0.010 10 0.240
12-11-2018 05:51:00, 10.00, 0.26 12/11/2018 05:51 0.010 10 0.250
12-11-2018 05:52:00, 10.00, 0.27 12/11/2018 05:52 0.010 10 0.260
12-11-2018 05:53:00, 10.00, 0.28 12/11/2018 05:53 0.010 10 0.270
12-11-2018 05:54:00, 10.00, 0.30 12/11/2018 05:54 0.010 10 0.280
12-11-2018 05:55:00, 10.00, 0.30 12/11/2018 05:55 0.010 10 0.280
12-11-2018 05:56:00, 10.00, 0.31 12/11/2018 05:56 0.000 10 0.280
12-11-2018 05:57:00, 10.00, 0.32 12/11/2018 05:57 0.000 10 0.290
12-11-2018 05:58:00, 10.00, 0.32 12/11/2018 05:58 0.010 10 0.290
12-11-2018 05:59:00, 10.00, 0.33 12/11/2018 05:59 0.000 10 0.300
12-11-2018 06:00:00, 10.00, 0.34 12/11/2018 06:00 0.010 10 0.310
12-11-2018 06:01:00, 10.00, 0.36 12/11/2018 06:01 0.010 10 0.330
12-11-2018 06:02:00, 10.00, 0.37 12/11/2018 06:02 0.020 10 0.340
12-11-2018 06:03:00, 10.00, 0.38 12/11/2018 06:03 0.010 10 0.350
12-11-2018 06:04:00, 10.00, 0.39 12/11/2018 06:04 0.010 10 0.360
12-11-2018 06:05:00, 10.00, 0.40 12/11/2018 06:05 0.010 10 0.370
12-11-2018 06:06:00, 10.00, 0.41 12/11/2018 06:06 0.010 10 0.380
12-11-2018 06:07:00, 10.00, 0.42 12/11/2018 06:07 0.010 10 0.390
12-11-2018 06:08:00, 10.00, 0.44 12/11/2018 06:08 0.010 10 0.410
12-11-2018 06:09:00, 10.00, 0.44 12/11/2018 06:09 0.020 10 0.410
12-11-2018 06:10:00, 0.00, 0.44 12/11/2018 06:10 0.000 0 0.410
12-11-2018 06:11:00, 10.00, 0.45 12/11/2018 06:11 0.000 10 0.410
12-11-2018 06:12:00, 10.00, 0.46 12/11/2018 06:12 0.000 10 0.410
12-11-2018 06:13:00, 10.00, 0.47 12/11/2018 06:13 0.000 10 0.420
12-11-2018 06:14:00, 10.00, 0.47 12/11/2018 06:14 0.010 10 0.420
12-11-2018 06:15:00, 10.00, 0.48 12/11/2018 06:15 0.000 10 0.430
12-11-2018 06:16:00, 10.00, 0.48 12/11/2018 06:16 0.010 10 0.430
12-11-2018 06:17:00, 0.00, 0.48 12/11/2018 06:17 0.000 0 0.430
12-11-2018 06:18:00, 0.00, 0.48 12/11/2018 06:18 0.000 0 0.430
12-11-2018 06:19:00, 10.00, 0.49 12/11/2018 06:19 0.000 10 0.440
12-11-2018 06:20:00, 10.00, 0.49 12/11/2018 06:20 0.010 10 0.440
12-11-2018 06:21:00, 10.00, 0.50 12/11/2018 06:21 0.000 10 0.450
12-11-2018 06:22:00, 10.00, 0.50 12/11/2018 06:22 0.010 10 0.450
12-11-2018 06:23:00, 10.00, 0.51 12/11/2018 06:23 0.000 10 0.460
12-11-2018 06:24:00, 10.00, 0.51 12/11/2018 06:24 0.010 10 0.460
12-11-2018 06:25:00, 10.00, 0.52 12/11/2018 06:25 0.000 10 0.470
12-11-2018 06:26:00, 10.00, 0.52 12/11/2018 06:26 0.010 10 0.470
12-11-2018 06:27:00, 10.00, 0.54 12/11/2018 06:27 0.000 10 0.480
12-11-2018 06:28:00, 10.00, 0.54 12/11/2018 06:28 0.010 10 0.480
12-11-2018 06:29:00, 10.00, 0.55 12/11/2018 06:29 0.000 10 0.490
12-11-2018 06:30:00, 10.00, 0.56 12/11/2018 06:30 0.010 10 0.500
12-11-2018 06:31:00, 10.00, 0.57 12/11/2018 06:31 0.010 10 0.510
12-11-2018 06:32:00, 10.00, 0.57 12/11/2018 06:32 0.010 10 0.510
12-11-2018 06:33:00, 10.00, 0.58 12/11/2018 06:33 0.000 10 0.520
12-11-2018 06:34:00, 10.00, 0.59 12/11/2018 06:34 0.010 10 0.530
12-11-2018 06:35:00, 10.00, 0.59 12/11/2018 06:35 0.010 10 0.530
12-11-2018 06:36:00, 0.00, 0.59 12/11/2018 06:36 0.000 0 0.530
12-11-2018 06:37:00, 10.00, 0.60 12/11/2018 06:37 0.000 10 0.540
12-11-2018 06:38:00, 10.00, 0.60 12/11/2018 06:38 0.010 10 0.540
12-11-2018 06:39:00, 0.00, 0.60 12/11/2018 06:39 0.000 0 0.540
12-11-2018 06:40:00, 0.00, 0.60 12/11/2018 06:40 0.000 0 0.540
12-11-2018 06:41:00, 10.00, 0.61 12/11/2018 06:41 0.000 10 0.540
12-11-2018 06:42:00, 10.00, 0.62 12/11/2018 06:42 0.000 10 0.550
12-11-2018 06:43:00, 10.00, 0.62 12/11/2018 06:43 0.010 10 0.550
12-11-2018 06:44:00, 0.00, 0.62 12/11/2018 06:44 0.000 0 0.550
12-11-2018 06:45:00, 10.00, 0.63 12/11/2018 06:45 0.000 10 0.560
12-11-2018 06:46:00, 10.00, 0.63 12/11/2018 06:46 0.010 10 0.560
12-11-2018 06:47:00, 0.00, 0.63 12/11/2018 06:47 0.000 0 0.560
12-11-2018 06:48:00, 0.00, 0.63 12/11/2018 06:48 0.000 0 0.560
12-11-2018 06:49:00, 0.00, 0.63 12/11/2018 06:49 0.000 0 0.560
12-11-2018 06:50:00, 10.00, 0.64 12/11/2018 06:50 0.000 6 0.570
12-11-2018 06:51:00, 10.00, 0.64 12/11/2018 06:51 0.010 10 0.570
12-11-2018 06:52:00, 10.00, 0.64 12/11/2018 06:52 0.000 10 0.570
12-11-2018 06:53:00, 0.00, 0.64 12/11/2018 06:53 0.000 0 0.570
12-11-2018 06:54:00, 0.00, 0.64 12/11/2018 06:54 0.000 0 0.570
12-11-2018 06:55:00, 10.00, 0.65 12/11/2018 06:55 0.000 10 0.580
12-11-2018 06:56:00, 10.00, 0.65 12/11/2018 06:56 0.010 10 0.580
12-11-2018 06:57:00, 0.00, 0.65 12/11/2018 06:57 0.000 0 0.580
12-11-2018 06:58:00, 0.00, 0.65 12/11/2018 06:58 0.000 0 0.580
12-11-2018 06:59:00, 0.00, 0.65 12/11/2018 06:59 0.000 0 0.580
12-11-2018 07:00:00, 10.00, 0.66 12/11/2018 07:00 0.000 10 0.590
12-11-2018 07:01:00, 10.00, 0.66 12/11/2018 07:01 0.010 10 0.590
12-11-2018 07:02:00, 0.00, 0.66 12/11/2018 07:02 0.000 0 0.590
12-11-2018 07:03:00, 0.00, 0.66 12/11/2018 07:03 0.000 0 0.590
12-11-2018 07:04:00, 10.00, 0.67 12/11/2018 07:04 0.000 10 0.600
12-11-2018 07:05:00, 10.00, 0.67 12/11/2018 07:05 0.010 10 0.600
12-11-2018 07:06:00, 0.00, 0.67 12/11/2018 07:06 0.000 0 0.600
12-11-2018 07:07:00, 10.00, 0.68 12/11/2018 07:07 0.000 10 0.610
12-11-2018 07:08:00, 10.00, 0.68 12/11/2018 07:08 0.010 10 0.610
12-11-2018 07:09:00, 0.00, 0.68 12/11/2018 07:09 0.000 0 0.610
12-11-2018 07:10:00, 0.00, 0.68 12/11/2018 07:10 0.000 0 0.610
12-11-2018 07:11:00, 0.00, 0.68 12/11/2018 07:11 0.000 0 0.610
12-11-2018 07:12:00, 10.00, 0.69 12/11/2018 07:12 0.000 10 0.620
12-11-2018 07:13:00, 10.00, 0.69 12/11/2018 07:13 0.010 10 0.620
12-11-2018 07:14:00, 0.00, 0.69 12/11/2018 07:14 0.000 0 0.620
12-11-2018 07:15:00, 0.00, 0.69 12/11/2018 07:15 0.000 0 0.620
12-11-2018 07:16:00, 0.00, 0.69 12/11/2018 07:16 0.000 0 0.620
12-11-2018 07:17:00, 0.00, 0.69 12/11/2018 07:17 0.000 0 0.620
12-11-2018 07:18:00, 0.00, 0.69 12/11/2018 07:18 0.000 0 0.620
12-11-2018 07:19:00, 0.00, 0.69 12/11/2018 07:19 0.000 0 0.620
12-11-2018 07:20:00, 10.00, 0.70 12/11/2018 07:20 0.000 10 0.630
12-11-2018 07:21:00, 10.00, 0.70 12/11/2018 07:21 0.010 10 0.630
12-11-2018 07:22:00, 10.00, 0.71 12/11/2018 07:22 0.000 10 0.640
12-11-2018 07:23:00, 10.00, 0.71 12/11/2018 07:23 0.010 10 0.640
12-11-2018 07:24:00, 10.00, 0.72 12/11/2018 07:24 0.000 10 0.650
12-11-2018 07:25:00, 10.00, 0.72 12/11/2018 07:25 0.010 10 0.650
12-11-2018 07:26:00, 0.00, 0.72 12/11/2018 07:26 0.000 0 0.650
12-11-2018 07:27:00, 10.00, 0.73 12/11/2018 07:27 0.000 10 0.660
12-11-2018 07:28:00, 10.00, 0.74 12/11/2018 07:28 0.010 10 0.670
12-11-2018 07:29:00, 10.00, 0.74 12/11/2018 07:29 0.010 10 0.670
12-11-2018 07:30:00, 0.00, 0.74 12/11/2018 07:30 0.000 0 0.670
12-11-2018 07:31:00, 10.00, 0.75 12/11/2018 07:31 0.000 10 0.680
12-11-2018 07:32:00, 10.00, 0.75 12/11/2018 07:32 0.010 10 0.680
12-11-2018 07:33:00, 10.00, 0.76 12/11/2018 07:33 0.000 10 0.690
12-11-2018 07:34:00, 10.00, 0.77 12/11/2018 07:34 0.010 10 0.700
12-11-2018 07:35:00, 10.00, 0.78 12/11/2018 07:35 0.010 10 0.710
12-11-2018 07:36:00, 10.00, 0.78 12/11/2018 07:36 0.010 10 0.710
12-11-2018 07:37:00, 10.00, 0.79 12/11/2018 07:37 0.000 10 0.720
12-11-2018 07:38:00, 10.00, 0.79 12/11/2018 07:38 0.010 10 0.720
12-11-2018 07:39:00, 10.00, 0.80 12/11/2018 07:39 0.000 10 0.730
12-11-2018 07:40:00, 10.00, 0.81 12/11/2018 07:40 0.010 10 0.740
12-11-2018 07:41:00, 10.00, 0.82 12/11/2018 07:41 0.010 10 0.750
12-11-2018 07:42:00, 10.00, 0.83 12/11/2018 07:42 0.010 10 0.760
12-11-2018 07:43:00, 10.00, 0.85 12/11/2018 07:43 0.010 10 0.770
12-11-2018 07:44:00, 10.00, 0.86 12/11/2018 07:44 0.010 10 0.780
12-11-2018 07:45:00, 10.00, 0.87 12/11/2018 07:45 0.010 10 0.790
12-11-2018 07:46:00, 10.00, 0.88 12/11/2018 07:46 0.010 10 0.790
12-11-2018 07:47:00, 10.00, 0.90 12/11/2018 07:47 0.000 10 0.810
12-11-2018 07:48:00, 10.00, 0.91 12/11/2018 07:48 0.020 10 0.810
12-11-2018 07:49:00, 10.00, 0.92 12/11/2018 07:49 0.000 10 0.810
12-11-2018 07:50:00, 10.00, 0.93 12/11/2018 07:50 0.000 10 0.820
12-11-2018 07:51:00, 10.00, 0.94 12/11/2018 07:51 0.010 10 0.830
12-11-2018 07:52:00, 10.00, 0.95 12/11/2018 07:52 0.010 10 0.840
12-11-2018 07:53:00, 10.00, 0.96 12/11/2018 07:53 0.010 10 0.850
12-11-2018 07:54:00, 10.00, 0.96 12/11/2018 07:54 0.010 10 0.850
12-11-2018 07:55:00, 10.00, 0.97 12/11/2018 07:55 0.000 10 0.860
12-11-2018 07:56:00, 10.00, 0.99 12/11/2018 07:56 0.010 10 0.880
12-11-2018 07:57:00, 10.00, 1.01 12/11/2018 07:57 0.020 10 0.900
12-11-2018 07:58:00, 10.00, 1.02 12/11/2018 07:58 0.020 10 0.910
12-11-2018 07:59:00, 10.00, 1.04 12/11/2018 07:59 0.010 10 0.920