| 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 | 30.1 | 8.1 | 1933-01-25 | 26 | 2 |
| February | 85.7 | 8.9 | 1933-02-16 | 12 | 1 |
| March | 164.7 | 10.4 | 1933-03-27 | 10 | 5 |
| April | 170.1 | 12.8 | 1933-04-26 | 10 | 4 |
| May | 239.6 | 15.0 | 1933-05-29 | 8 | 8 |
| June | 229.3 | 15.4 | 1933-06-20 | 5 | 6 |
| July | 315.9 | 14.7 | 1933-07-10 | 4 | 15 |
| August | 288.4 | 13.7 | 1933-08-07 | 1 | 11 |
| September | 218.5 | 10.7 | 1933-09-11 | 3 | 4 |
| October | 120.8 | 9.2 | 1933-10-07 | 13 | 4 |
| November | 88.2 | 8.1 | 1933-11-21 | 15 | 4 |
| December | 64.3 | 7.9 | 1933-12-03 | 18 | 4 |