| 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 | 73.0 | 7.4 | 1929-01-10 | 17 | 1 |
| February | 93.5 | 8.0 | 1929-02-21 | 12 | 0 |
| March | 186.2 | 10.2 | 1929-03-03 | 5 | 4 |
| April | 156.7 | 12.6 | 1929-04-25 | 10 | 2 |
| May | 259.5 | 14.0 | 1929-05-27 | 5 | 7 |
| June | 281.3 | 14.5 | 1929-06-08 | 3 | 8 |
| July | 348.5 | 14.6 | 1929-07-02 | 2 | 20 |
| August | 253.6 | 13.6 | 1929-08-01 | 7 | 12 |
| September | 237.3 | 10.9 | 1929-09-02 | 1 | 7 |
| October | 160.4 | 9.5 | 1929-10-04 | 7 | 3 |
| November | 50.2 | 7.7 | 1929-11-02 | 19 | 0 |
| December | 64.7 | 7.6 | 1929-12-06 | 20 | 5 |