| 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 | 67.4 | 7.0 | 1965-01-11 | 19 | 0 |
| February | 105.7 | 9.9 | 1965-02-28 | 11 | 3 |
| March | 192.4 | 10.6 | 1965-03-23 | 6 | 4 |
| April | 156.0 | 10.9 | 1965-04-03 | 10 | 2 |
| May | 233.4 | 13.2 | 1965-05-04 | 6 | 5 |
| June | 256.8 | 14.5 | 1965-06-16 | 5 | 6 |
| July | 339.6 | 14.7 | 1965-07-08 | 1 | 15 |
| August | 277.2 | 13.8 | 1965-08-04 | 5 | 12 |
| September | 243.9 | 11.6 | 1965-09-05 | 1 | 11 |
| October | 242.9 | 10.5 | 1965-10-01 | 2 | 15 |
| November | 47.7 | 8.3 | 1965-11-06 | 20 | 1 |
| December | 41.1 | 6.1 | 1965-12-30 | 20 | 0 |