| 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 |
| 2003. | m_ss | m_sx | m_sxd | m_dsf20 | m_dsf80 |
|---|---|---|---|---|---|
| January | 60.4 | 7.2 | 2003-01-15 | 19 | 0 |
| February | 86.7 | 8.2 | 2003-02-28 | 11 | 1 |
| March | 189.8 | 10.4 | 2003-03-24 | 9 | 5 |
| April | 207.6 | 11.6 | 2003-04-28 | 3 | 4 |
| May | 270.8 | 12.8 | 2003-05-30 | 3 | 9 |
| June | 298.4 | 13.1 | 2003-06-06 | 1 | 4 |
| July | 285.7 | 13.2 | 2003-07-08 | 3 | 7 |
| August | 310.2 | 12.4 | 2003-08-12 | 1 | 12 |
| September | 221.6 | 11.2 | 2003-09-06 | 6 | 13 |
| October | 133.1 | 9.5 | 2003-10-01 | 11 | 1 |
| November | 110.7 | 8.5 | 2003-11-04 | 10 | 5 |
| December | 88.0 | 7.4 | 2003-12-07 | 16 | 5 |