| 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 |
| 1929. | m_ss | m_sx | m_sxd | m_dsf20 | m_dsf80 |
|---|---|---|---|---|---|
| January | 97.6 | 8.3 | 1929-01-21 | 15 | 5 |
| February | 95.1 | 9.3 | 1929-02-21 | 14 | 5 |
| March | 204.6 | 9.8 | 1929-03-17 | 6 | 3 |
| April | 177.0 | 11.7 | 1929-04-09 | 7 | 2 |
| May | 253.5 | 13.4 | 1929-05-29 | 2 | 7 |
| June | 236.2 | 13.7 | 1929-06-12 | 7 | 3 |
| July | 315.3 | 14.4 | 1929-07-04 | 4 | 15 |
| August | 292.5 | 13.3 | 1929-08-02 | 4 | 15 |
| September | 243.3 | 10.6 | 1929-09-01 | 3 | 4 |
| October | 179.4 | 9.3 | 1929-10-07 | 6 | 4 |
| November | 51.1 | 8.5 | 1929-11-05 | 22 | 2 |
| December | 65.7 | 7.4 | 1929-12-06 | 19 | 3 |