| 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 | 49.2 | 6.9 | 1947-01-24 | 21 | 0 |
| February | 27.1 | 4.5 | 1947-02-10 | 23 | 0 |
| March | 110.6 | 10.3 | 1947-03-16 | 16 | 2 |
| April | 239.7 | 13.1 | 1947-04-26 | 6 | 10 |
| May | 232.8 | 14.2 | 1947-05-30 | 6 | 7 |
| June | 273.5 | 14.4 | 1947-06-25 | 2 | 7 |
| July | 317.9 | 14.8 | 1947-07-11 | 2 | 9 |
| August | 302.5 | 13.4 | 1947-08-03 | 1 | 15 |
| September | 268.1 | 10.9 | 1947-09-06 | 0 | 14 |
| October | 175.2 | 10.2 | 1947-10-01 | 8 | 12 |
| November | 64.4 | 7.0 | 1947-11-18 | 19 | 0 |
| December | 35.2 | 7.8 | 1947-12-12 | 24 | 1 |