| Description of elements in the header | |
|---|---|
| m_ss | amount of monthly sunshine duration |
| m_sx | the maximum sunshine duration in the month |
| m_sxd | the day with the maximum sunshine duration |
| m_dsf20 | number of days when the sunshine duration is less than 20 % of the astronomic sunshine duration |
| m_dsf80 | number of days when the sunshine duration is more than 80 % of the astronomic sunshine duration |
| 1928. | m_ss | m_sx | m_sxd | m_dsf20 | m_dsf80 |
|---|---|---|---|---|---|
| January | 56.3 | 7.3 | 1928-01-10 | 19 | 1 |
| February | 133.5 | 10.1 | 1928-02-26 | 10 | 7 |
| March | 121.2 | 10.3 | 1928-03-30 | 15 | 4 |
| April | 182.8 | 11.3 | 1928-04-09 | 7 | 2 |
| May | 210.5 | 13.7 | 1928-05-22 | 7 | 5 |
| June | 320.0 | 14.9 | 1928-06-13 | 2 | 13 |
| July | 378.6 | 14.6 | 1928-07-03 | 0 | 20 |
| August | 332.1 | 13.5 | 1928-08-01 | 3 | 20 |
| September | 184.8 | 11.3 | 1928-09-06 | 8 | 6 |
| October | 176.7 | 9.8 | 1928-10-02 | 7 | 5 |
| November | 93.4 | 7.7 | 1928-11-12 | 14 | 1 |
| December | 32.9 | 6.5 | 1928-12-08 | 24 | 0 |