An active day is when any amount of data is received from that station.
| Identifier | Feb 10 | Mar 10 | Apr 10 | May 10 | Jun 10 | Jul 10 | Aug 10 | Sep 10 | Oct 10 | Nov 10 | Dec 10 | Jan 11 | Feb 11 | Mar 11 | Apr 11 | May 11 | Jun 11 | Jul 11 | Aug 11 | Sep 11 | Oct 11 | Nov 11 | Dec 11 | Jan 12 |
| CS1ACP-11 | 24 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 29 | 31 | 30 | 31 | 30 | 31 | 31 |
| CS1APO-11 | 24 | 16 | 24 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 29 | 31 | 30 | 31 | 30 | 31 | 31 |
| CS5SAT-11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 29 | 31 | 30 | 31 | 30 | 31 | 31 |
| CT1AKV-10 | 10 | 31 | 30 | 31 | 18 | 31 | 26 | 30 | 31 | 30 | 26 | 10 | 27 | 31 | 27 | 31 | 30 | 29 | 21 | 28 | 31 | 22 | 30 | 31 |
| CT1BXX-9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| CT1ETE | 26 | 31 | 27 | 31 | 23 | 29 | 17 | 18 | 11 | 2 | 1 | 0 | 0 | 0 | 10 | 2 | 2 | 22 | 4 | 6 | 0 | 1 | 1 | 0 |
| CT1HND | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| CT1OY | 11 | 31 | 25 | 0 | 0 | 23 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 30 | 30 | 31 | 31 |
| CT2JAY-11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| CT3FQ-9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| CT7ADH-2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 23 | 23 | 28 | 0 | 1 | 14 | 3 | 21 | 0 |
| CU1AG | 26 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| CU3AA | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 25 | 25 | 31 | 30 | 27 | 27 | 31 | 31 | 30 | 31 | 30 | 24 | 29 |
| CU3EQ | 28 | 27 | 24 | 1 | 0 | 0 | 0 | 6 | 5 | 1 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 1 |
| CU6NS | 28 | 31 | 30 | 31 | 22 | 31 | 31 | 30 | 31 | 30 | 31 | 29 | 28 | 26 | 29 | 26 | 26 | 1 | 0 | 0 | 0 | 1 | 0 | 0 |
| CW0214 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 29 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 22 | 29 | 31 | 31 |
| CW3643 | 28 | 31 | 30 | 29 | 30 | 31 | 31 | 25 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 29 | 30 | 31 | 30 | 31 | 31 |
| CW4162 | 24 | 29 | 30 | 27 | 30 | 31 | 31 | 28 | 9 | 25 | 28 | 27 | 21 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| CW4198 | 0 | 0 | 0 | 0 | 0 | 15 | 31 | 30 | 13 | 30 | 31 | 31 | 28 | 31 | 29 | 31 | 28 | 29 | 31 | 30 | 31 | 10 | 20 | 11 |
| CW8520 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 24 | 0 |
| CW8919 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 10 | 3 | 5 | 10 | 0 | 0 | 1 | 24 | 31 | 30 | 8 | 8 | 28 | 31 | 30 | 31 | 31 |
| CW9760 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 20 | 31 | 30 | 31 | 31 | 15 | 29 | 30 | 29 | 26 | 30 | 29 | 30 | 30 | 28 | 31 | 31 |
| DW1677 | 28 | 31 | 30 | 31 | 30 | 31 | 30 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| DW1912 | 28 | 31 | 30 | 31 | 29 | 31 | 29 | 30 | 31 | 30 | 31 | 31 | 28 | 30 | 30 | 31 | 28 | 30 | 30 | 27 | 31 | 30 | 31 | 31 |
| DW2235 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW2525 | 28 | 31 | 15 | 31 | 4 | 4 | 31 | 30 | 31 | 30 | 31 | 31 | 25 | 31 | 30 | 21 | 30 | 22 | 4 | 0 | 0 | 0 | 0 | 0 |
| DW2541 | 28 | 31 | 29 | 31 | 28 | 31 | 24 | 30 | 31 | 12 | 27 | 28 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| DW3274 | 28 | 31 | 30 | 30 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 28 | 24 | 31 | 30 | 31 | 31 | 30 | 31 | 27 | 31 | 31 |
| DW3478 | 24 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 31 |
| DW3848 | 28 | 31 | 30 | 18 | 30 | 31 | 29 | 30 | 31 | 30 | 31 | 31 | 28 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 31 | 21 |
| DW4957 | 0 | 0 | 11 | 31 | 30 | 30 | 21 | 29 | 30 | 30 | 31 | 31 | 28 | 31 | 30 | 29 | 23 | 25 | 28 | 29 | 30 | 30 | 31 | 31 |
| DW5620 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 30 | 30 | 27 | 31 | 30 | 23 | 26 | 22 | 31 | 29 | 31 | 30 | 29 | 28 | 5 | 0 | 0 |
| DW5813 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 11 | 29 | 17 | 29 | 24 | 15 | 8 | 0 | 5 | 6 | 0 | 0 | 0 | 0 | 6 | 27 |
| DW7126 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 31 | 30 | 31 | 23 | 31 | 25 | 30 | 30 | 30 | 31 | 31 |
| DW7384 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 30 | 31 | 30 | 31 | 31 | 30 | 3 | 0 | 0 | 0 |
| DW8214 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 24 | 30 | 31 | 30 | 31 | 26 |
| DW8815 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 28 | 0 | 2 |
| DW9132 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 |
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