| 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 | 88.5 | 8.5 | 1949-01-23 | 16 | 4 |
| February | 158.2 | 9.4 | 1949-02-14 | 6 | 8 |
| March | 180.6 | 11.4 | 1949-03-27 | 9 | 5 |
| April | 240.7 | 13.2 | 1949-04-16 | 3 | 10 |
| May | 242.5 | 14.8 | 1949-05-29 | 6 | 10 |
| June | 236.0 | 14.6 | 1949-06-01 | 5 | 7 |
| July | 261.4 | 14.7 | 1949-07-13 | 3 | 6 |
| August | 286.6 | 13.9 | 1949-08-06 | 7 | 17 |
| September | 235.4 | 11.8 | 1949-09-05 | 4 | 14 |
| October | 188.1 | 10.2 | 1949-10-05 | 8 | 13 |
| November | 44.1 | 7.9 | 1949-11-21 | 22 | 1 |
| December | 86.9 | 7.3 | 1949-12-24 | 15 | 3 |