| 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 | 110.0 | 8.5 | 1949-01-30 | 12 | 4 |
| February | 165.2 | 9.9 | 1949-02-17 | 3 | 10 |
| March | 172.2 | 10.6 | 1949-03-27 | 7 | 8 |
| April | 229.0 | 12.8 | 1949-04-18 | 5 | 7 |
| May | 209.5 | 13.7 | 1949-05-29 | 10 | 5 |
| June | 234.0 | 13.8 | 1949-06-08 | 5 | 7 |
| July | 267.4 | 14.0 | 1949-07-14 | 4 | 12 |
| August | 274.1 | 13.5 | 1949-08-06 | 7 | 16 |
| September | 205.8 | 11.3 | 1949-09-04 | 7 | 9 |
| October | 172.8 | 9.9 | 1949-10-21 | 8 | 11 |
| November | 60.2 | 6.7 | 1949-11-29 | 20 | 0 |
| December | 90.2 | 7.5 | 1949-12-21 | 14 | 4 |