| 1981-02-28 06:02 | 0.26 | 0.00 | 0.00 |
| 1981-02-28 00:00 | 0.23 | 0.00 | 82.45 |
| 1981-02-27 18:00 | 0.26 | 0.00 | 98.93 |
| 1981-02-27 12:00 | 0.20 | 0.00 | 75.12 |
| 1981-02-27 06:03 | 0.20 | 0.00 | 67.77 |
| 1981-02-27 00:02 | 0.26 | 0.00 | 80.98 |
| 1981-02-26 18:04 | 0.39 | 0.00 | 0.00 |
| 1981-02-26 11:56 | 0.36 | 0.00 | 83.36 |
| 1981-02-26 06:00 | 0.30 | 0.00 | 74.18 |
| 1981-02-26 00:01 | 0.36 | 0.00 | 77.14 |
| 1981-02-25 18:02 | 0.49 | 0.00 | 86.24 |
| 1981-02-25 11:55 | 0.52 | 66.06 | 80.14 |
| 1981-02-25 06:00 | 0.46 | 0.00 | 73.48 |
| 1981-02-25 00:02 | 0.43 | 0.00 | 83.23 |
| 1981-02-24 18:00 | 0.46 | 0.00 | 81.61 |
| 1981-02-24 12:00 | 0.43 | 0.00 | 85.75 |
| 1981-02-24 00:02 | 0.36 | 0.00 | 73.78 |
| 1981-02-23 06:06 | 0.49 | 0.00 | 74.75 |
| 1981-02-23 00:00 | 0.33 | 0.00 | 58.56 |
| 1981-02-22 18:00 | 0.30 | 0.00 | 76.37 |
| 1981-02-22 12:01 | 0.23 | 0.00 | 61.32 |
| 1981-02-22 06:00 | 0.26 | 0.00 | 70.14 |
| 1981-02-22 00:00 | 0.20 | 0.00 | 75.11 |
| 1981-02-21 18:00 | 0.26 | 0.00 | 79.93 |
| 1981-02-21 06:00 | 0.36 | 0.00 | 71.09 |
| 1981-02-21 00:03 | 0.39 | 0.00 | 85.85 |
| 1981-02-20 18:00 | 0.36 | 0.00 | 64.08 |
| 1981-02-20 12:02 | 0.39 | 0.00 | 77.33 |
| 1981-02-20 06:05 | 0.33 | 0.00 | 73.40 |
| 1981-02-20 00:07 | 0.30 | 0.00 | 92.19 |
| 1981-02-19 18:05 | 0.26 | 0.00 | 81.40 |
| 1981-02-19 12:05 | 0.39 | 0.00 | 93.14 |
| 1981-02-19 05:59 | 0.26 | 0.00 | 80.37 |
| 1981-02-19 00:03 | 0.26 | 0.00 | 80.86 |
| 1981-02-18 18:02 | 0.20 | 0.00 | 56.93 |
| 1981-02-18 12:00 | 0.20 | 0.00 | 63.60 |
| 1981-02-18 06:01 | 0.26 | 0.00 | 93.07 |
| 1981-02-18 00:00 | 0.23 | 0.00 | 84.85 |
| 1981-02-17 18:00 | 0.30 | 0.00 | 0.00 |
| 1981-02-17 12:02 | 0.33 | 0.00 | 75.36 |
| 1981-02-17 06:04 | 0.30 | 0.00 | 0.00 |
| 1981-02-16 23:59 | 0.30 | 0.00 | 66.21 |
| 1981-02-16 18:00 | 0.30 | 0.00 | 72.00 |
| 1981-02-16 12:04 | 0.36 | 68.27 | 57.21 |
| 1981-02-16 06:05 | 0.33 | 0.00 | 0.00 |
| 1981-02-16 00:06 | 0.30 | 0.00 | 76.39 |
| 1981-02-15 18:05 | 0.39 | 0.00 | 78.04 |
| 1981-02-15 12:04 | 0.43 | 0.00 | 74.94 |
| 1981-02-15 06:02 | 0.39 | 0.00 | 0.00 |
| 1981-02-15 00:00 | 0.46 | 0.00 | 0.00 |
| 1981-02-14 18:00 | 0.30 | 0.00 | 0.00 |
| 1981-02-14 11:59 | 0.30 | 0.00 | 68.14 |
| 1981-02-14 06:00 | 0.30 | 0.00 | 68.58 |
| 1981-02-14 00:01 | 0.36 | 66.06 | 62.77 |
| 1981-02-13 18:04 | 0.33 | 0.00 | 66.94 |
| 1981-02-13 12:06 | 0.46 | 0.00 | 90.45 |
| 1981-02-13 06:06 | 0.36 | 0.00 | 76.82 |
| 1981-02-13 00:04 | 0.43 | 0.00 | 78.00 |
| 1981-02-12 18:07 | 0.39 | 0.00 | 76.12 |
| 1981-02-12 12:05 | 0.39 | 0.00 | 75.94 |
| 1981-02-12 06:15 | 0.39 | 0.00 | 0.00 |
| 1981-02-12 00:09 | 0.33 | 0.00 | 0.00 |
| 1981-02-11 18:09 | 0.36 | 0.00 | 0.00 |
| 1981-02-11 12:04 | 0.33 | 0.00 | 0.00 |
| 1981-02-11 06:02 | 0.46 | 0.00 | 0.00 |
| 1981-02-11 00:04 | 0.39 | 0.00 | 89.83 |
| 1981-02-10 18:02 | 0.43 | 0.00 | 79.83 |
| 1981-02-10 06:04 | 0.49 | 0.00 | 98.16 |
| 1981-02-10 00:06 | 0.43 | 0.00 | 94.64 |
| 1981-02-09 18:05 | 0.39 | 0.00 | 98.90 |
| 1981-02-09 12:04 | 0.36 | 0.00 | 0.00 |
| 1981-02-09 06:03 | 0.36 | 0.00 | 0.00 |
| 1981-02-09 00:00 | 0.33 | 0.00 | 0.00 |
| 1981-02-08 18:00 | 0.20 | 0.00 | 0.00 |
| 1981-02-08 12:00 | 0.30 | 0.00 | 0.00 |
| 1981-02-08 06:00 | 0.20 | 0.00 | 0.00 |
| 1981-02-07 23:59 | 0.23 | 0.00 | 0.00 |
| 1981-02-07 18:00 | 0.23 | 0.00 | 0.00 |
| 1981-02-07 11:59 | 0.23 | 0.00 | 0.00 |
| 1981-02-07 06:00 | 0.23 | 0.00 | 0.00 |
| 1981-02-07 00:00 | 0.26 | 0.00 | 0.00 |
| 1981-02-06 18:00 | 0.20 | 0.00 | 0.00 |
| 1981-02-06 12:00 | 0.20 | 0.00 | 0.00 |
| 1981-02-06 06:00 | 0.16 | 0.00 | 83.40 |
| 1981-02-06 00:04 | 0.26 | 0.00 | 0.00 |
| 1981-02-05 18:00 | 0.16 | 0.00 | 73.05 |
| 1981-02-05 12:01 | 0.20 | 0.00 | 81.30 |
| 1981-02-05 06:00 | 0.23 | 0.00 | 67.67 |
| 1981-02-04 23:59 | 0.33 | 0.00 | 93.12 |
| 1981-02-04 18:01 | 0.23 | 0.00 | 66.29 |
| 1981-02-04 12:00 | 0.26 | 0.00 | 78.39 |
| 1981-02-04 06:01 | 0.23 | 0.00 | 88.34 |
| 1981-02-04 00:04 | 0.26 | 0.00 | 0.00 |
| 1981-02-03 18:04 | 0.20 | 0.00 | 84.31 |
| 1981-02-03 12:05 | 0.20 | 0.00 | 71.66 |
| 1981-02-03 06:06 | 0.30 | 0.00 | 0.00 |
| 1981-02-02 18:05 | 0.33 | 0.00 | 0.00 |
| 1981-02-02 12:10 | 0.23 | 0.00 | 78.12 |
| 1981-02-02 06:08 | 0.20 | 0.00 | 82.98 |
| 1981-02-02 00:07 | 0.23 | 0.00 | 81.70 |
| 1981-02-01 18:04 | 0.20 | 66.06 | 70.10 |
| 1981-02-01 12:04 | 0.20 | 0.00 | 82.33 |
| 1981-02-01 06:03 | 0.20 | 0.00 | 80.13 |
| 1981-02-01 00:04 | 0.26 | 0.00 | 0.00 |
| 1981-01-31 18:04 | 0.20 | 0.00 | 81.42 |
|
