| 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 |
| 1963. | m_ss | m_sx | m_sxd | m_dsf20 | m_dsf80 |
|---|---|---|---|---|---|
| January | 66.8 | 8.1 | 1963-01-15 | 20 | 5 |
| February | 63.7 | 9.4 | 1963-02-25 | 17 | 1 |
| March | 181.8 | 11.3 | 1963-03-25 | 8 | 6 |
| April | 200.5 | 12.5 | 1963-04-27 | 9 | 7 |
| May | 243.2 | 12.4 | 1963-05-13 | 2 | 4 |
| June | 296.6 | 15.2 | 1963-06-28 | 2 | 10 |
| July | 298.7 | 14.1 | 1963-07-13 | 3 | 10 |
| August | 271.4 | 13.5 | 1963-08-12 | 3 | 13 |
| September | 204.2 | 11.4 | 1963-09-02 | 5 | 7 |
| October | 167.2 | 9.1 | 1963-10-13 | 8 | 4 |
| November | 98.3 | 7.8 | 1963-11-09 | 10 | 1 |
| December | 43.7 | 7.3 | 1963-12-02 | 22 | 2 |