| 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 |
| 1942. | m_ss | m_sx | m_sxd | m_dsf20 | m_dsf80 |
|---|---|---|---|---|---|
| January | 40.8 | 6.3 | 1942-01-28 | 23 | 0 |
| February | 58.9 | 7.6 | 1942-02-03 | 18 | 0 |
| March | 86.3 | 10.5 | 1942-03-26 | 20 | 3 |
| April | 146.0 | 12.5 | 1942-04-17 | 10 | 1 |
| May | 283.4 | 14.4 | 1942-05-19 | 4 | 13 |
| June | 300.5 | 15.6 | 1942-06-23 | 4 | 14 |
| July | 335.9 | 15.9 | 1942-07-12 | 1 | 12 |
| August | 322.2 | 13.3 | 1942-08-02 | 3 | 19 |
| September | 267.4 | 11.2 | 1942-09-01 | 1 | 12 |
| October | 212.5 | 10.3 | 1942-10-15 | 6 | 15 |
| November | 66.3 | 9.1 | 1942-11-02 | 18 | 3 |
| December | 72.4 | 7.8 | 1942-12-08 | 19 | 4 |