Joka päivän kohdalla on ko. vuorokauden keskilämpötila sekä alin ja ylin lämpötila ja ajanhetki, jolloin se mitattiin.
| päivä | ka. | minimi | maximi |
|---|---|---|---|
| 01.01.2021 | -0.3 | -1.0 (19:30) | 0.3 (02:00) |
| 02.01.2021 | -1.4 | -3.0 (23:10) | -0.3 (04:40) |
| 03.01.2021 | -2.9 | -3.6 (06:50) | -2.1 (17:20) |
| 04.01.2021 | -4.0 | -6.4 (23:50) | -2.5 (00:00) |
| 05.01.2021 | -7.1 | -8.1 (10:20) | -6.2 (20:30) |
| 06.01.2021 | -5.6 | -6.3 (03:40) | -5.0 (23:40) |
| 07.01.2021 | -3.5 | -4.9 (00:00) | -2.6 (09:40) |
| 08.01.2021 | -4.8 | -5.4 (22:10) | -4.0 (00:00) |
| 09.01.2021 | -6.4 | -8.9 (23:50) | -5.2 (00:00) |
| 10.01.2021 | -6.2 | -10.1 (03:30) | -1.8 (23:10) |
| 11.01.2021 | -1.5 | -4.2 (17:30) | -0.5 (09:30) |
| 12.01.2021 | -3.2 | -5.6 (23:50) | -1.6 (00:00) |
| 13.01.2021 | -9.0 | -12.9 (23:40) | -5.7 (00:00) |
| 14.01.2021 | -17.5 | -23.0 (23:50) | -13.0 (00:00) |
| 15.01.2021 | -19.6 | -25.3 (07:30) | -11.7 (23:10) |
| 16.01.2021 | -12.2 | -17.6 (18:10) | -8.8 (03:50) |
| 17.01.2021 | -8.3 | -12.2 (00:00) | -5.5 (15:20) |
| 18.01.2021 | -6.1 | -10.0 (02:30) | -2.5 (23:50) |
| 19.01.2021 | -1.2 | -2.5 (00:00) | -0.6 (21:10) |
| 20.01.2021 | -3.8 | -5.9 (15:20) | -0.7 (00:10) |
| 21.01.2021 | -6.0 | -7.3 (14:50) | -4.6 (03:40) |
| 22.01.2021 | -0.7 | -5.0 (00:00) | 1.9 (23:20) |
| 23.01.2021 | 2.2 | 1.1 (23:00) | 3.0 (12:10) |
| 24.01.2021 | 0.7 | 0.2 (11:50) | 1.6 (02:10) |
| 25.01.2021 | 0.6 | 0.3 (02:50) | 0.9 (17:20) |
| 26.01.2021 | 0.2 | -0.8 (21:10) | 0.9 (02:20) |
| 27.01.2021 | -2.4 | -3.3 (10:50) | -0.8 (00:00) |
| 28.01.2021 | -5.4 | -8.7 (20:50) | -2.3 (00:00) |
| 29.01.2021 | -7.3 | -8.7 (02:50) | -6.3 (13:00) |
| 30.01.2021 | -7.5 | -9.6 (20:30) | -5.7 (09:20) |
| 31.01.2021 | -8.9 | -10.1 (03:40) | -7.4 (15:10) |