| 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 |
| 1961. | m_ss | m_sx | m_sxd | m_dsf20 | m_dsf80 |
|---|---|---|---|---|---|
| January | 91.5 | 8.1 | 1961-01-18 | 16 | 3 |
| February | 106.8 | 9.2 | 1961-02-27 | 12 | 3 |
| March | 196.7 | 10.5 | 1961-03-09 | 7 | 7 |
| April | 221.2 | 13.0 | 1961-04-21 | 7 | 10 |
| May | 222.3 | 13.8 | 1961-05-26 | 8 | 5 |
| June | 300.1 | 14.3 | 1961-06-18 | 2 | 9 |
| July | 297.5 | 14.4 | 1961-07-04 | 3 | 11 |
| August | 331.1 | 14.0 | 1961-08-04 | 2 | 19 |
| September | 264.6 | 11.6 | 1961-09-01 | 2 | 13 |
| October | 147.6 | 9.8 | 1961-10-16 | 11 | 5 |
| November | 83.4 | 9.4 | 1961-11-01 | 16 | 4 |
| December | 61.5 | 7.5 | 1961-12-04 | 18 | 3 |