| 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 |
| 1968. | m_ss | m_sx | m_sxd | m_dsf20 | m_dsf80 |
|---|---|---|---|---|---|
| January | 45.2 | 6.1 | 1968-01-20 | 21 | 0 |
| February | 49.2 | 8.1 | 1968-02-27 | 19 | 0 |
| March | 201.2 | 11.7 | 1968-03-30 | 8 | 10 |
| April | 245.6 | 12.7 | 1968-04-22 | 5 | 12 |
| May | 236.0 | 13.0 | 1968-05-09 | 6 | 3 |
| June | 317.4 | 14.7 | 1968-06-15 | 3 | 16 |
| July | 273.5 | 14.7 | 1968-07-01 | 5 | 9 |
| August | 223.4 | 14.0 | 1968-08-01 | 4 | 9 |
| September | 173.7 | 11.0 | 1968-09-28 | 7 | 4 |
| October | 189.4 | 9.8 | 1968-10-21 | 3 | 2 |
| November | 68.6 | 8.1 | 1968-11-01 | 20 | 3 |
| December | 46.9 | 7.0 | 1968-12-11 | 22 | 3 |