| 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 | 109.1 | 8.2 | 1961-01-26 | 13 | 7 |
| February | 58.1 | 9.8 | 1961-02-14 | 20 | 2 |
| March | 173.7 | 9.8 | 1961-03-17 | 6 | 2 |
| April | 252.2 | 13.4 | 1961-04-23 | 5 | 11 |
| May | 224.2 | 13.2 | 1961-05-05 | 5 | 2 |
| June | 313.3 | 15.0 | 1961-06-29 | 0 | 10 |
| July | 325.2 | 14.9 | 1961-07-03 | 1 | 14 |
| August | 309.5 | 13.6 | 1961-08-06 | 2 | 14 |
| September | 261.9 | 11.9 | 1961-09-01 | 3 | 12 |
| October | 200.8 | 9.5 | 1961-10-12 | 4 | 9 |
| November | 79.9 | 8.2 | 1961-11-03 | 17 | 3 |
| December | 71.3 | 7.2 | 1961-12-14 | 19 | 3 |