Joka päivän kohdalla on ko. vuorokauden keskilämpötila sekä alin ja ylin lämpötila ja ajanhetki, jolloin se mitattiin.
| päivä | ka. | minimi | maximi |
|---|---|---|---|
| 01.01.2021 | -0.8 | -1.9 (05:50) | 0.0 (00:10) |
| 02.01.2021 | -1.9 | -3.7 (23:30) | -0.5 (05:00) |
| 03.01.2021 | -3.5 | -4.1 (07:10) | -2.6 (23:10) |
| 04.01.2021 | -4.0 | -6.1 (23:40) | -2.8 (00:00) |
| 05.01.2021 | -7.4 | -8.3 (11:50) | -6.2 (00:00) |
| 06.01.2021 | -5.9 | -6.4 (00:00) | -5.1 (23:40) |
| 07.01.2021 | -3.8 | -5.1 (00:00) | -2.9 (09:40) |
| 08.01.2021 | -5.1 | -5.8 (23:20) | -4.3 (00:30) |
| 09.01.2021 | -6.6 | -9.8 (23:50) | -5.6 (01:00) |
| 10.01.2021 | -6.5 | -11.4 (02:30) | -1.8 (23:50) |
| 11.01.2021 | -1.6 | -3.9 (17:50) | -0.6 (09:20) |
| 12.01.2021 | -3.1 | -5.7 (23:50) | -1.6 (00:00) |
| 13.01.2021 | -9.2 | -13.2 (23:50) | -5.8 (00:00) |
| 14.01.2021 | -17.4 | -22.1 (23:50) | -13.1 (00:00) |
| 15.01.2021 | -20.0 | -26.4 (09:00) | -12.1 (22:40) |
| 16.01.2021 | -12.8 | -17.8 (18:10) | -8.9 (03:40) |
| 17.01.2021 | -8.9 | -13.2 (00:00) | -6.0 (13:30) |
| 18.01.2021 | -6.5 | -11.2 (02:00) | -2.8 (23:30) |
| 19.01.2021 | -1.6 | -2.8 (00:00) | -1.1 (20:20) |
| 20.01.2021 | -4.3 | -6.3 (15:30) | -1.1 (00:00) |
| 21.01.2021 | -6.2 | -7.5 (14:40) | -4.9 (03:50) |
| 22.01.2021 | -0.7 | -5.0 (00:00) | 1.8 (23:20) |
| 23.01.2021 | 2.0 | 0.7 (23:00) | 2.7 (12:20) |
| 24.01.2021 | 0.4 | 0.0 (12:20) | 1.4 (02:30) |
| 25.01.2021 | 0.2 | 0.0 (01:30) | 0.6 (18:30) |
| 26.01.2021 | -0.1 | -1.1 (21:20) | 0.6 (02:00) |
| 27.01.2021 | -2.7 | -3.6 (13:40) | -1.0 (00:00) |
| 28.01.2021 | -5.6 | -9.3 (21:20) | -2.6 (00:10) |
| 29.01.2021 | -7.8 | -9.2 (02:00) | -6.7 (14:50) |
| 30.01.2021 | -7.8 | -10.0 (20:30) | -5.9 (09:40) |
| 31.01.2021 | -9.5 | -10.6 (02:50) | -8.2 (15:10) |