| 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 | 66.7 | 8.0 | 1963-01-21 | 20 | 3 |
| February | 80.8 | 10.0 | 1963-02-27 | 16 | 1 |
| March | 202.3 | 11.0 | 1963-03-16 | 6 | 9 |
| April | 224.7 | 12.4 | 1963-04-26 | 5 | 8 |
| May | 256.5 | 13.6 | 1963-05-31 | 4 | 7 |
| June | 298.2 | 14.7 | 1963-06-22 | 2 | 11 |
| July | 325.2 | 14.3 | 1963-07-16 | 2 | 11 |
| August | 299.2 | 13.6 | 1963-08-06 | 3 | 14 |
| September | 234.9 | 11.8 | 1963-09-03 | 4 | 14 |
| October | 189.1 | 9.5 | 1963-10-07 | 5 | 7 |
| November | 128.2 | 7.8 | 1963-11-24 | 6 | 2 |
| December | 41.1 | 7.5 | 1963-12-02 | 23 | 1 |