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 | -2.1 | 6.6 | 5.2 | 5.8 | 8.3 | 10.8 | 13.1 | 15.1 | 9.8 | 9.4 | — | — |
| 2 | -3.2 | 5.0 | 4.6 | 5.3 | 9.7 | 12.6 | 15.1 | 14.1 | 14.4 | 7.4 | — | — |
| 3 | -1.9 | 3.8 | 3.5 | 6.7 | 12.1 | 11.3 | 11.8 | 15.4 | 18.0 | 8.1 | — | — |
| 4 | -5.4 | 4.7 | 4.5 | 4.7 | 10.6 | 12.3 | 14.2 | 16.2 | 11.7 | 9.1 | — | — |
| 5 | -6.4 | 6.0 | 3.3 | 3.7 | 10.8 | 9.3 | 15.0 | 15.6 | 10.8 | 8.3 | — | — |
| 6 | -7.3 | 5.8 | 6.6 | 0.3 | 7.5 | 11.6 | 15.3 | 11.2 | 12.1 | 9.1 | — | — |
| 7 | -0.9 | 4.3 | 6.8 | 5.6 | 6.3 | 9.1 | 16.3 | 8.8 | 13.1 | 8.3 | — | — |
| 8 | 0.6 | 7.5 | 7.3 | 7.6 | 5.3 | 10.0 | 18.5 | 9.4 | 10.4 | 5.9 | — | — |
| 9 | 1.3 | 5.1 | 6.7 | 7.9 | 7.6 | 6.3 | 16.3 | 13.0 | 8.0 | 8.8 | — | — |
| 10 | -3.0 | 7.5 | 7.7 | 6.1 | 6.3 | 5.7 | 18.9 | 16.6 | 10.7 | — | — | — |
| 11 | -2.8 | 8.3 | 3.9 | 7.5 | 1.3 | 7.1 | 17.5 | 14.6 | 12.9 | — | — | — |
| 12 | 9.5 | 5.6 | 3.6 | 4.1 | 0.2 | 14.2 | 15.7 | 15.9 | 8.6 | — | — | — |
| 13 | 5.5 | 3.4 | 0.8 | 0.9 | 4.7 | 9.3 | 14.7 | 14.4 | 16.9 | — | — | — |
| 14 | -1.1 | 0.2 | 0.2 | 0.8 | 4.5 | 9.6 | 15.9 | 16.4 | 17.2 | — | — | — |
| 15 | 5.6 | 1.9 | -1.1 | 9.1 | 5.3 | 12.6 | 17.1 | 18.6 | 12.2 | — | — | — |
| 16 | 4.7 | 4.6 | 4.0 | 8.7 | 4.5 | 14.7 | 15.7 | 15.4 | 11.7 | — | — | — |
| 17 | 6.4 | 1.8 | 6.8 | 9.8 | 6.8 | 15.9 | 14.2 | 17.7 | 10.9 | — | — | — |
| 18 | 6.4 | 2.1 | 4.2 | 8.9 | 5.7 | 15.8 | 15.3 | 17.8 | 9.2 | — | — | — |
| 19 | 6.2 | 4.4 | 3.1 | 5.6 | 10.4 | 14.8 | 12.3 | 15.4 | 16.6 | — | — | — |
| 20 | 7.3 | 3.9 | 2.2 | 2.7 | 11.2 | 15.7 | 9.6 | 12.8 | 8.7 | — | — | — |
| 21 | 5.2 | 8.1 | 1.8 | 4.9 | 8.8 | 15.2 | 11.2 | 13.3 | 6.8 | — | — | — |
| 22 | 7.0 | 7.6 | 0.1 | 5.7 | 11.2 | 17.1 | 12.3 | 11.9 | 10.2 | — | — | — |
| 23 | 5.9 | 6.8 | 1.3 | 6.2 | 15.1 | 18.9 | 12.6 | 8.8 | 13.9 | — | — | — |
| 24 | 4.6 | 8.2 | 7.7 | 3.9 | 13.9 | 20.4 | 15.3 | 10.9 | 9.4 | — | — | — |
| 25 | 5.3 | 6.3 | 3.7 | -0.2 | 15.2 | 20.4 | 14.2 | 14.4 | 9.4 | — | — | — |
| 26 | 4.4 | 7.5 | 1.8 | 3.2 | 15.8 | 22.5 | 16.8 | 17.1 | 9.3 | — | — | — |
| 27 | 3.3 | 8.2 | 4.4 | 4.1 | 15.5 | 19.1 | 14.8 | 17.6 | 9.0 | — | — | — |
| 28 | -0.5 | 3.1 | 2.9 | 8.5 | 15.8 | 16.6 | 15.2 | 13.3 | 11.7 | — | — | — |
| 29 | -0.7 | 2.0 | 7.6 | 15.1 | 11.8 | 14.7 | 16.3 | 15.1 | — | — | — | |
| 30 | 3.9 | 5.7 | 9.5 | 12.8 | 14.9 | 16.9 | 15.1 | 15.2 | — | — | — | |
| 31 | 5.7 | 7.2 | 14.5 | 16.8 | 12.5 | — | — |