| 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 |
| 2001. | m_ss | m_sx | m_sxd | m_dsf20 | m_dsf80 |
|---|---|---|---|---|---|
| January | 68.3 | 7.6 | 2001-01-17 | 20 | 3 |
| February | 114.6 | 9.3 | 2001-02-28 | 12 | 4 |
| March | 112.0 | 10.9 | 2001-03-31 | 14 | 1 |
| April | 185.2 | 13.4 | 2001-04-27 | 7 | 7 |
| May | 303.3 | 14.2 | 2001-05-23 | 3 | 9 |
| June | 213.0 | 13.3 | 2001-06-26 | 7 | 1 |
| July | 245.0 | 13.0 | 2001-07-07 | 7 | 5 |
| August | 307.0 | 13.0 | 2001-08-03 | 3 | 14 |
| September | 102.5 | 10.5 | 2001-09-20 | 15 | 2 |
| October | 136.1 | 9.8 | 2001-10-03 | 10 | 1 |
| November | 71.8 | 8.7 | 2001-11-03 | 20 | 2 |
| December | 61.6 | 7.0 | 2001-12-07 | 18 | 3 |