| 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 |
| 1947. | m_ss | m_sx | m_sxd | m_dsf20 | m_dsf80 |
|---|---|---|---|---|---|
| January | 32.6 | 7.5 | 1947-01-04 | 24 | 1 |
| February | 23.5 | 7.0 | 1947-02-27 | 24 | 0 |
| March | 107.9 | 10.0 | 1947-03-16 | 16 | 2 |
| April | 242.9 | 13.1 | 1947-04-25 | 5 | 6 |
| May | 245.8 | 14.4 | 1947-05-31 | 5 | 7 |
| June | 257.5 | 14.8 | 1947-06-25 | 2 | 7 |
| July | 315.6 | 14.6 | 1947-07-02 | 2 | 13 |
| August | 308.4 | 13.4 | 1947-08-23 | 2 | 12 |
| September | 229.4 | 10.4 | 1947-09-07 | 2 | 5 |
| October | 194.1 | 9.6 | 1947-10-24 | 5 | 8 |
| November | 67.6 | 8.8 | 1947-11-02 | 17 | 1 |
| December | 30.2 | 7.2 | 1947-12-12 | 24 | 1 |