| 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 |
| 1986. | m_ss | m_sx | m_sxd | m_dsf20 | m_dsf80 |
|---|---|---|---|---|---|
| January | 87.2 | 8.1 | 1986-01-21 | 12 | 4 |
| February | 67.1 | 9.4 | 1986-02-25 | 18 | 1 |
| March | 88.4 | 11.2 | 1986-03-27 | 20 | 2 |
| April | 166.3 | 10.8 | 1986-04-15 | 7 | 0 |
| May | 243.7 | 14.4 | 1986-05-25 | 10 | 6 |
| June | 238.4 | 14.7 | 1986-06-26 | 7 | 4 |
| July | 258.6 | 14.0 | 1986-07-01 | 6 | 10 |
| August | 252.3 | 13.3 | 1986-08-02 | 3 | 7 |
| September | 232.0 | 11.6 | 1986-09-05 | 3 | 11 |
| October | 185.1 | 9.7 | 1986-10-01 | 7 | 8 |
| November | 79.5 | 8.3 | 1986-11-03 | 16 | 3 |
| December | 39.4 | 7.0 | 1986-12-03 | 23 | 1 |