| 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 |
| 1949. | m_ss | m_sx | m_sxd | m_dsf20 | m_dsf80 |
|---|---|---|---|---|---|
| January | 104.7 | 8.0 | 1949-01-23 | 13 | 3 |
| February | 149.5 | 8.9 | 1949-02-23 | 5 | 3 |
| March | 172.2 | 11.0 | 1949-03-27 | 9 | 6 |
| April | 209.5 | 13.1 | 1949-04-24 | 8 | 5 |
| May | 217.1 | 14.5 | 1949-05-29 | 9 | 5 |
| June | 225.7 | 14.6 | 1949-06-09 | 4 | 4 |
| July | 244.9 | 14.5 | 1949-07-13 | 5 | 4 |
| August | 249.1 | 13.6 | 1949-08-08 | 6 | 12 |
| September | 205.3 | 11.7 | 1949-09-04 | 5 | 9 |
| October | 168.1 | 9.2 | 1949-10-04 | 9 | 4 |
| November | 44.5 | 7.3 | 1949-11-09 | 20 | 0 |
| December | 87.3 | 7.5 | 1949-12-29 | 14 | 4 |