| 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 | 70.6 | 8.0 | 1949-01-23 | 18 | 2 |
| February | 132.2 | 9.4 | 1949-02-18 | 8 | 6 |
| March | 163.4 | 11.0 | 1949-03-27 | 11 | 6 |
| April | 206.6 | 13.4 | 1949-04-25 | 6 | 8 |
| May | 253.3 | 14.8 | 1949-05-29 | 8 | 9 |
| June | 230.2 | 14.6 | 1949-06-09 | 5 | 5 |
| July | 251.1 | 14.3 | 1949-07-13 | 7 | 5 |
| August | 256.5 | 13.8 | 1949-08-05 | 6 | 9 |
| September | 226.4 | 11.4 | 1949-09-04 | 4 | 11 |
| October | 199.1 | 9.0 | 1949-10-06 | 5 | 7 |
| November | 39.0 | 5.7 | 1949-11-21 | 22 | 0 |
| December | 62.8 | 6.0 | 1949-12-02 | 16 | 0 |