| 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 |
| 1979. | m_ss | m_sx | m_sxd | m_dsf20 | m_dsf80 |
|---|---|---|---|---|---|
| January | 32.4 | 5.5 | 1979-01-07 | 25 | 0 |
| February | 82.9 | 9.7 | 1979-02-21 | 17 | 3 |
| March | 106.2 | 11.3 | 1979-03-25 | 17 | 2 |
| April | 200.6 | 12.2 | 1979-04-13 | 6 | 6 |
| May | 279.9 | 15.2 | 1979-05-29 | 6 | 13 |
| June | 277.9 | 14.7 | 1979-06-24 | 4 | 9 |
| July | 214.7 | 13.5 | 1979-07-19 | 5 | 2 |
| August | 237.6 | 12.6 | 1979-08-17 | 8 | 12 |
| September | 226.3 | 11.3 | 1979-09-02 | 2 | 9 |
| October | 186.3 | 10.2 | 1979-10-03 | 8 | 12 |
| November | 20.7 | 5.5 | 1979-11-26 | 26 | 0 |
| December | 45.2 | 7.9 | 1979-12-13 | 21 | 2 |