| 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 |
| 2004. | m_ss | m_sx | m_sxd | m_dsf20 | m_dsf80 |
|---|---|---|---|---|---|
| January | 54.8 | 7.4 | 2004-01-23 | 21 | 1 |
| February | 105.1 | 10.2 | 2004-02-20 | 13 | 5 |
| March | 110.7 | 11.9 | 2004-03-18 | 17 | 3 |
| April | 162.7 | 12.3 | 2004-04-29 | 11 | 6 |
| May | 260.9 | 13.7 | 2004-05-30 | 5 | 6 |
| June | 246.8 | 14.9 | 2004-06-15 | 6 | 6 |
| July | 284.9 | 14.6 | 2004-07-05 | 5 | 11 |
| August | 321.1 | 13.4 | 2004-08-17 | 2 | 17 |
| September | 201.9 | 12.4 | 2004-09-07 | 5 | 9 |
| October | 128.7 | 10.2 | 2004-10-06 | 14 | 8 |
| November | 107.9 | 9.0 | 2004-11-24 | 13 | 6 |
| December | 62.1 | 8.0 | 2004-12-21 | 22 | 5 |