| 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 | 49.7 | 8.0 | 1979-01-05 | 22 | 1 |
| February | 79.1 | 9.8 | 1979-02-22 | 16 | 3 |
| March | 169.2 | 10.1 | 1979-03-03 | 8 | 4 |
| April | 209.3 | 12.4 | 1979-04-20 | 6 | 7 |
| May | 312.3 | 14.1 | 1979-05-26 | 5 | 13 |
| June | 280.2 | 14.7 | 1979-06-25 | 5 | 12 |
| July | 249.4 | 14.1 | 1979-07-25 | 8 | 7 |
| August | 290.0 | 13.8 | 1979-08-05 | 4 | 11 |
| September | 213.6 | 11.3 | 1979-09-03 | 6 | 9 |
| October | 186.4 | 10.4 | 1979-10-03 | 6 | 10 |
| November | 50.5 | 7.0 | 1979-11-30 | 20 | 0 |
| December | 82.1 | 7.8 | 1979-12-17 | 15 | 3 |