An active day is when any amount of data is received from that station.
| Identifier | Sep 08 | Oct 08 | Nov 08 | Dec 08 | Jan 09 | Feb 09 | Mar 09 | Apr 09 | May 09 | Jun 09 | Jul 09 | Aug 09 | Sep 09 | Oct 09 | Nov 09 | Dec 09 | Jan 10 | Feb 10 | Mar 10 | Apr 10 | May 10 | Jun 10 | Jul 10 | Aug 10 |
| CW3451 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 31 | 30 | 31 | 30 | 31 | 31 |
| CW3619 | 30 | 31 | 30 | 31 | 31 | 28 | 25 | 30 | 30 | 30 | 30 | 31 | 28 | 31 | 30 | 31 | 29 | 28 | 22 | 30 | 31 | 30 | 31 | 31 |
| CW5455 | 30 | 31 | 28 | 29 | 31 | 26 | 31 | 30 | 31 | 29 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 |
| CW6008 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 31 | 24 | 30 | 30 | 31 | 31 | 28 | 30 | 30 | 31 | 30 | 29 | 30 |
| CW6010 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 |
| CW6329 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 29 | 31 | 30 | 31 | 31 | 30 | 31 | 27 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 |
| CW9210 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 27 | 25 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 27 | 31 | 30 | 31 | 30 | 31 | 16 |
| DW0170 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 29 | 31 | 30 | 31 | 30 | 16 | 6 | 6 | 12 | 30 | 28 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW0224 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 29 | 30 | 30 | 31 | 16 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW0499 | 27 | 10 | 30 | 31 | 30 | 28 | 31 | 30 | 30 | 30 | 30 | 23 | 30 | 31 | 30 | 31 | 31 | 28 | 26 | 30 | 31 | 30 | 9 | 25 |
| DW1053 | 24 | 29 | 30 | 31 | 31 | 28 | 31 | 29 | 31 | 30 | 30 | 31 | 29 | 30 | 28 | 31 | 31 | 28 | 31 | 30 | 29 | 30 | 29 | 31 |
| DW1130 | 0 | 0 | 18 | 29 | 28 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 28 | 31 | 30 | 30 | 30 | 19 | 30 |
| DW1844 | 0 | 0 | 0 | 1 | 27 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 27 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW1950 | 0 | 0 | 0 | 9 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW2086 | 0 | 0 | 0 | 0 | 27 | 28 | 30 | 30 | 30 | 30 | 31 | 31 | 29 | 22 | 21 | 23 | 31 | 21 | 23 | 25 | 11 | 17 | 30 | 24 |
| DW2817 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW3192 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 12 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 29 |
| DW3695 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW3724 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW3828 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 31 | 30 | 28 | 30 | 20 | 29 | 28 | 31 | 31 |
| DW3861 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| DW4725 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 2 | 15 | 30 | 31 | 28 |
| DW4903 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 | 31 | 30 | 31 | 31 |
| DW5302 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 30 | 22 |
| DW5623 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 23 |
| DW5721 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
| HB9AS-8 | 18 | 31 | 30 | 31 | 23 | 27 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 29 |
| HB9BA-8 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 0 | 31 | 31 | 28 | 31 | 30 | 31 | 21 | 31 | 31 |
| HB9DNU | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 9 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 27 | 31 | 31 |
| HB9KBJ-8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 31 | 30 | 31 | 30 | 17 | 31 |
| HB9KNR | 0 | 0 | 0 | 0 | 0 | 0 | 17 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 27 | 31 | 28 | 31 | 28 | 31 | 30 | 31 | 31 |
| HB9MCY-8 | 29 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 30 | 30 | 30 | 21 | 31 | 31 |
| HB9MTL-8 | 30 | 31 | 30 | 31 | 31 | 20 | 31 | 28 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 26 | 31 | 28 | 31 | 30 | 28 | 30 | 29 | 30 |
| HB9MZI | 30 | 31 | 27 | 31 | 31 | 28 | 31 | 30 | 30 | 27 | 28 | 29 | 30 | 27 | 30 | 28 | 30 | 22 | 30 | 30 | 28 | 24 | 31 | 27 |
| HB9TJM-1 | 30 | 28 | 30 | 31 | 31 | 28 | 29 | 30 | 16 | 23 | 31 | 31 | 30 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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