| 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 | 80.9 | 6.6 | 1958-01-30 | 14 | 0 |
| February | 61.5 | 9.0 | 1958-02-25 | 17 | 2 |
| March | 131.0 | 9.1 | 1958-03-15 | 12 | 0 |
| April | 175.9 | 13.0 | 1958-04-25 | 7 | 3 |
| May | 280.8 | 13.4 | 1958-05-25 | 2 | 7 |
| June | 192.9 | 13.8 | 1958-06-16 | 10 | 3 |
| July | 252.9 | 13.8 | 1958-07-16 | 6 | 8 |
| August | 279.6 | 13.4 | 1958-08-05 | 2 | 10 |
| September | 200.5 | 11.9 | 1958-09-06 | 6 | 10 |
| October | 95.0 | 8.8 | 1958-10-25 | 14 | 1 |
| November | 20.4 | 7.5 | 1958-11-03 | 27 | 0 |
| December | 71.8 | 6.4 | 1958-12-02 | 17 | 0 |