| 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 |
| 1979. | m_ss | m_sx | m_sxd | m_dsf20 | m_dsf80 |
|---|---|---|---|---|---|
| January | 64.8 | 7.5 | 1979-01-07 | 18 | 2 |
| February | 72.8 | 9.7 | 1979-02-23 | 17 | 2 |
| March | 128.0 | 10.0 | 1979-03-04 | 14 | 3 |
| April | 167.5 | 11.4 | 1979-04-03 | 10 | 2 |
| May | 323.6 | 14.3 | 1979-05-27 | 3 | 17 |
| June | 214.0 | 13.9 | 1979-06-05 | 8 | 3 |
| July | 154.5 | 11.6 | 1979-07-06 | 12 | 0 |
| August | 230.5 | 13.5 | 1979-08-02 | 6 | 6 |
| September | 208.5 | 11.5 | 1979-09-02 | 9 | 12 |
| October | 139.0 | 10.1 | 1979-10-04 | 10 | 5 |
| November | 67.5 | 7.7 | 1979-11-07 | 17 | 0 |
| December | 44.3 | 7.0 | 1979-12-03 | 23 | 1 |