| 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 |
| 1965. | m_ss | m_sx | m_sxd | m_dsf20 | m_dsf80 |
|---|---|---|---|---|---|
| January | 51.2 | 7.7 | 1965-01-07 | 21 | 1 |
| February | 101.8 | 10.0 | 1965-02-28 | 11 | 1 |
| March | 164.1 | 10.8 | 1965-03-28 | 10 | 1 |
| April | 150.6 | 11.0 | 1965-04-03 | 12 | 1 |
| May | 179.3 | 12.6 | 1965-05-04 | 10 | 2 |
| June | 269.6 | 14.5 | 1965-06-23 | 6 | 11 |
| July | 340.4 | 14.7 | 1965-07-07 | 2 | 14 |
| August | 283.7 | 13.9 | 1965-08-04 | 2 | 11 |
| September | 231.1 | 11.8 | 1965-09-05 | 5 | 11 |
| October | 231.0 | 10.9 | 1965-10-01 | 2 | 13 |
| November | 51.1 | 6.3 | 1965-11-25 | 19 | 0 |
| December | 61.2 | 6.4 | 1965-12-15 | 18 | 0 |