| 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 |
| 1958. | m_ss | m_sx | m_sxd | m_dsf20 | m_dsf80 |
|---|---|---|---|---|---|
| January | 66.3 | 8.2 | 1958-01-27 | 18 | 4 |
| February | 63.5 | 9.4 | 1958-02-23 | 17 | 2 |
| March | 142.6 | 9.2 | 1958-03-05 | 10 | 2 |
| April | 136.3 | 12.3 | 1958-04-25 | 15 | 5 |
| May | 322.7 | 14.3 | 1958-05-27 | 2 | 14 |
| June | 254.0 | 14.6 | 1958-06-07 | 7 | 12 |
| July | 347.4 | 14.6 | 1958-07-13 | 1 | 15 |
| August | 310.4 | 14.1 | 1958-08-05 | 3 | 17 |
| September | 228.4 | 11.5 | 1958-09-08 | 4 | 11 |
| October | 158.4 | 9.0 | 1958-10-30 | 6 | 3 |
| November | 54.4 | 7.7 | 1958-11-12 | 22 | 1 |
| December | 98.6 | 7.8 | 1958-12-03 | 13 | 2 |