| 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 | 47.2 | 7.3 | 1968-01-17 | 21 | 1 |
| February | 76.3 | 8.8 | 1968-02-19 | 15 | 1 |
| March | 191.3 | 11.3 | 1968-03-27 | 8 | 10 |
| April | 245.6 | 13.1 | 1968-04-22 | 3 | 8 |
| May | 223.9 | 13.4 | 1968-05-09 | 6 | 5 |
| June | 300.7 | 14.5 | 1968-06-06 | 3 | 8 |
| July | 290.3 | 13.9 | 1968-07-04 | 4 | 10 |
| August | 222.9 | 13.0 | 1968-08-01 | 4 | 6 |
| September | 191.0 | 11.1 | 1968-09-04 | 5 | 5 |
| October | 215.5 | 10.0 | 1968-10-14 | 2 | 12 |
| November | 64.6 | 8.0 | 1968-11-01 | 18 | 1 |
| December | 30.6 | 6.8 | 1968-12-27 | 26 | 0 |