| 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 |
| 1956. | m_ss | m_sx | m_sxd | m_dsf20 | m_dsf80 |
|---|---|---|---|---|---|
| January | 98.8 | 8.1 | 1956-01-31 | 12 | 1 |
| February | 87.6 | 9.5 | 1956-02-25 | 15 | 3 |
| March | 157.6 | 11.1 | 1956-03-30 | 11 | 4 |
| April | 158.8 | 12.4 | 1956-04-21 | 7 | 2 |
| May | 239.3 | 15.1 | 1956-05-31 | 6 | 6 |
| June | 230.9 | 14.6 | 1956-06-17 | 6 | 5 |
| July | 354.4 | 14.3 | 1956-07-02 | 0 | 13 |
| August | 310.7 | 13.7 | 1956-08-18 | 1 | 13 |
| September | 246.9 | 12.3 | 1956-09-04 | 2 | 9 |
| October | 179.2 | 9.6 | 1956-10-01 | 9 | 9 |
| November | 71.5 | 8.7 | 1956-11-08 | 18 | 5 |
| December | 54.4 | 7.1 | 1956-12-15 | 21 | 2 |