This interactive matrix parses long-term historical records from the station log files. Select a dataset below, and adjust the year using the dropdown menu.
| Day | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 0.4 | 11.2 | 3.0 | 0.0 | 0.0 | 0.2 | 0.0 | 0.0 | 0.0 | 0.2 | — | — |
| 2 | 0.8 | 0.2 | 0.0 | 0.2 | 0.8 | 25.8 | 0.0 | 0.0 | 1.4 | 0.0 | — | — |
| 3 | 0.0 | 13.8 | 0.0 | 0.6 | 0.0 | 5.4 | 0.0 | 0.0 | 0.0 | 0.0 | — | — |
| 4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 10.0 | 0.0 | 0.0 | 1.2 | 0.0 | — | — |
| 5 | 0.0 | 13.6 | 0.2 | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | — | — |
| 6 | 0.8 | 6.0 | 6.4 | 0.0 | 0.0 | 9.6 | 0.0 | 0.0 | 0.0 | 0.2 | — | — |
| 7 | 11.6 | 8.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 9.2 | — | — |
| 8 | 18.8 | 0.6 | 0.0 | 0.0 | 0.0 | 4.8 | 0.0 | 0.0 | 26.6 | 0.4 | — | — |
| 9 | 5.8 | 0.6 | 0.4 | 0.0 | 0.0 | 0.2 | 0.0 | 0.0 | 0.2 | 5.8 | — | — |
| 10 | 0.0 | 4.4 | 0.6 | 0.0 | 0.8 | 0.2 | 0.0 | 0.0 | 0.0 | — | — | — |
| 11 | 9.2 | 3.8 | 3.8 | 0.0 | 1.4 | 4.8 | 0.0 | 0.0 | 1.0 | — | — | — |
| 12 | 2.2 | 1.0 | 2.2 | 0.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | — | — | — |
| 13 | 13.0 | 0.2 | 11.0 | 0.0 | 7.4 | 0.0 | 0.0 | 0.0 | 1.6 | — | — | — |
| 14 | 2.6 | 0.0 | 0.0 | 0.0 | 2.6 | 0.0 | 0.0 | 0.0 | 0.2 | — | — | — |
| 15 | 21.8 | 14.2 | 2.8 | 0.8 | 0.0 | 0.6 | 0.0 | 0.0 | 0.0 | — | — | — |
| 16 | 3.2 | 0.6 | 0.2 | 0.2 | 0.8 | 0.0 | 0.0 | 0.0 | 0.0 | — | — | — |
| 17 | 0.2 | 0.0 | 0.0 | 0.0 | 2.4 | 0.6 | 0.0 | 0.0 | 1.4 | — | — | — |
| 18 | 0.0 | 5.0 | 0.0 | 0.0 | 0.2 | 0.2 | 0.0 | 0.0 | 0.8 | — | — | — |
| 19 | 2.4 | 0.8 | 0.0 | 0.0 | 6.4 | 0.0 | 0.0 | 1.2 | 0.0 | — | — | — |
| 20 | 8.8 | 2.0 | 0.0 | 0.0 | 0.4 | 0.0 | 0.0 | 0.2 | 1.2 | — | — | — |
| 21 | 23.4 | 1.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | — | — | — |
| 22 | 5.0 | 1.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | — | — | — |
| 23 | 1.2 | 0.2 | 0.0 | 0.0 | 0.0 | 0.2 | 0.0 | 0.0 | 0.0 | — | — | — |
| 24 | 5.6 | 0.0 | 3.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | — | — | — |
| 25 | 4.0 | 0.2 | 0.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | — | — | — |
| 26 | 0.0 | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | — | — | — |
| 27 | 19.4 | 4.8 | 0.4 | 0.0 | 0.0 | 2.4 | 0.0 | 4.6 | 0.0 | — | — | — |
| 28 | 0.0 | 2.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 2.2 | 0.0 | — | — | — |
| 29 | 0.2 | 0.6 | 0.0 | 0.0 | 0.0 | 0.0 | 8.6 | 0.0 | — | — | — | |
| 30 | 13.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.2 | 1.2 | — | — | — | |
| 31 | 0.0 | 0.0 | 0.0 | 0.0 | 2.4 | — | — |