| 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 | 72.9 | 7.3 | 1965-01-11 | 18 | 2 |
| February | 121.6 | 9.1 | 1965-02-26 | 11 | 6 |
| March | 176.2 | 11.3 | 1965-03-23 | 8 | 7 |
| April | 165.0 | 11.9 | 1965-04-06 | 8 | 6 |
| May | 227.3 | 13.6 | 1965-05-03 | 7 | 8 |
| June | 246.5 | 14.9 | 1965-06-16 | 6 | 7 |
| July | 299.3 | 14.4 | 1965-07-08 | 3 | 10 |
| August | 271.5 | 13.4 | 1965-08-07 | 4 | 12 |
| September | 236.6 | 11.7 | 1965-09-09 | 1 | 11 |
| October | 235.3 | 10.6 | 1965-10-01 | 3 | 17 |
| November | 55.4 | 8.0 | 1965-11-06 | 21 | 1 |
| December | 27.3 | 6.2 | 1965-12-01 | 25 | 0 |