| 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 | 73.2 | 8.4 | 1966-01-06 | 17 | 1 |
| February | 91.1 | 8.5 | 1966-02-27 | 13 | 0 |
| March | 124.1 | 10.7 | 1966-03-20 | 13 | 2 |
| April | 193.4 | 12.4 | 1966-04-27 | 7 | 3 |
| May | 256.5 | 15.0 | 1966-05-31 | 7 | 12 |
| June | 238.2 | 14.8 | 1966-06-04 | 4 | 7 |
| July | 216.6 | 14.1 | 1966-07-16 | 10 | 5 |
| August | 212.4 | 14.0 | 1966-08-10 | 8 | 7 |
| September | 165.8 | 11.2 | 1966-09-08 | 8 | 7 |
| October | 160.4 | 10.3 | 1966-10-03 | 8 | 6 |
| November | 53.5 | 8.1 | 1966-11-14 | 22 | 1 |
| December | 59.0 | 7.1 | 1966-12-15 | 20 | 2 |