| 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 |
| 1967. | m_ss | m_sx | m_sxd | m_dsf20 | m_dsf80 |
|---|---|---|---|---|---|
| January | 97.3 | 8.2 | 1967-01-28 | 15 | 3 |
| February | 127.3 | 9.9 | 1967-02-25 | 12 | 8 |
| March | 154.5 | 10.9 | 1967-03-26 | 8 | 2 |
| April | 137.9 | 12.0 | 1967-04-17 | 15 | 5 |
| May | 215.9 | 12.7 | 1967-05-13 | 9 | 5 |
| June | 278.1 | 13.7 | 1967-06-23 | 5 | 6 |
| July | 323.0 | 13.2 | 1967-07-19 | 1 | 9 |
| August | 284.9 | 12.8 | 1967-08-16 | 1 | 8 |
| September | 218.1 | 11.5 | 1967-09-04 | 5 | 9 |
| October | 210.4 | 10.2 | 1967-10-21 | 4 | 12 |
| November | 101.1 | 8.0 | 1967-11-14 | 12 | 2 |
| December | 48.1 | 6.2 | 1967-12-21 | 20 | 0 |