| 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 | 119.1 | 8.0 | 1967-01-16 | 12 | 7 |
| February | 134.6 | 10.1 | 1967-02-25 | 11 | 7 |
| March | 153.1 | 10.8 | 1967-03-26 | 11 | 5 |
| April | 168.8 | 13.7 | 1967-04-30 | 13 | 6 |
| May | 242.8 | 14.2 | 1967-05-27 | 6 | 7 |
| June | 266.1 | 14.3 | 1967-06-24 | 5 | 8 |
| July | 316.7 | 13.8 | 1967-07-01 | 3 | 14 |
| August | 295.9 | 13.5 | 1967-08-16 | 3 | 16 |
| September | 202.0 | 11.2 | 1967-09-04 | 7 | 10 |
| October | 201.5 | 10.3 | 1967-10-02 | 5 | 12 |
| November | 111.9 | 8.6 | 1967-11-14 | 11 | 5 |
| December | 53.5 | 7.1 | 1967-12-20 | 19 | 1 |