| 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 |
| 1966. | m_ss | m_sx | m_sxd | m_dsf20 | m_dsf80 |
|---|---|---|---|---|---|
| January | 40.1 | 7.8 | 1966-01-26 | 23 | 2 |
| February | 66.1 | 8.1 | 1966-02-27 | 17 | 0 |
| March | 151.8 | 11.3 | 1966-03-20 | 11 | 5 |
| April | 204.5 | 12.8 | 1966-04-27 | 4 | 5 |
| May | 278.8 | 14.3 | 1966-05-17 | 7 | 14 |
| June | 259.8 | 15.0 | 1966-06-12 | 8 | 8 |
| July | 300.5 | 14.8 | 1966-07-13 | 4 | 11 |
| August | 290.4 | 13.6 | 1966-08-07 | 3 | 16 |
| September | 205.8 | 11.0 | 1966-09-19 | 4 | 8 |
| October | 167.9 | 10.3 | 1966-10-09 | 9 | 11 |
| November | 41.5 | 9.0 | 1966-11-04 | 23 | 1 |
| December | 36.6 | 6.2 | 1966-12-08 | 24 | 0 |