| 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 |
| 1933. | m_ss | m_sx | m_sxd | m_dsf20 | m_dsf80 |
|---|---|---|---|---|---|
| January | 6.1 | 3.5 | 1933-01-28 | 30 | 0 |
| February | 74.3 | 8.2 | 1933-02-16 | 16 | 0 |
| March | 148.6 | 10.9 | 1933-03-28 | 11 | 5 |
| April | 165.1 | 13.0 | 1933-04-27 | 10 | 4 |
| May | 181.4 | 14.2 | 1933-05-22 | 11 | 3 |
| June | 188.8 | 12.3 | 1933-06-04 | 6 | 0 |
| July | 314.0 | 14.4 | 1933-07-21 | 2 | 14 |
| August | 310.0 | 13.5 | 1933-08-06 | 0 | 16 |
| September | 219.4 | 10.9 | 1933-09-11 | 3 | 7 |
| October | 118.0 | 10.0 | 1933-10-04 | 13 | 5 |
| November | 93.0 | 8.6 | 1933-11-19 | 14 | 4 |
| December | 41.4 | 7.9 | 1933-12-04 | 23 | 2 |