| 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 | 72.5 | 8.0 | 1947-01-31 | 17 | 2 |
| February | 18.0 | 7.9 | 1947-02-09 | 26 | 0 |
| March | 123.5 | 10.3 | 1947-03-27 | 13 | 2 |
| April | 233.4 | 13.2 | 1947-04-26 | 5 | 8 |
| May | 230.9 | 13.4 | 1947-05-11 | 8 | 8 |
| June | 282.2 | 14.2 | 1947-06-27 | 1 | 10 |
| July | 321.9 | 14.0 | 1947-07-08 | 1 | 9 |
| August | 290.2 | 13.1 | 1947-08-03 | 2 | 11 |
| September | 253.6 | 11.6 | 1947-09-01 | 1 | 10 |
| October | 174.5 | 10.1 | 1947-10-01 | 8 | 13 |
| November | 67.5 | 8.3 | 1947-11-03 | 18 | 1 |
| December | 49.5 | 7.6 | 1947-12-12 | 22 | 1 |