| 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 | 88.4 | 7.2 | 1968-01-09 | 15 | 1 |
| February | 75.5 | 9.6 | 1968-02-27 | 17 | 1 |
| March | 197.7 | 11.2 | 1968-03-24 | 6 | 6 |
| April | 215.1 | 13.2 | 1968-04-23 | 7 | 7 |
| May | 203.2 | 13.6 | 1968-05-16 | 8 | 5 |
| June | 245.7 | 14.7 | 1968-06-18 | 7 | 7 |
| July | 282.7 | 15.4 | 1968-07-02 | 5 | 10 |
| August | 209.0 | 12.8 | 1968-08-05 | 7 | 6 |
| September | 156.2 | 11.7 | 1968-09-02 | 9 | 4 |
| October | 124.9 | 9.1 | 1968-10-14 | 13 | 6 |
| November | 47.9 | 7.8 | 1968-11-02 | 22 | 0 |
| December | 32.5 | 6.5 | 1968-12-26 | 24 | 0 |