| 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 | 53.3 | 7.3 | 1979-01-30 | 21 | 0 |
| February | 75.1 | 8.7 | 1979-02-21 | 17 | 2 |
| March | 149.0 | 10.3 | 1979-03-15 | 11 | 3 |
| April | 203.6 | 12.7 | 1979-04-19 | 6 | 6 |
| May | 290.4 | 14.3 | 1979-05-31 | 5 | 15 |
| June | 262.6 | 14.8 | 1979-06-05 | 7 | 9 |
| July | 254.5 | 13.5 | 1979-07-09 | 7 | 9 |
| August | 242.9 | 13.6 | 1979-08-02 | 6 | 8 |
| September | 233.1 | 11.1 | 1979-09-03 | 4 | 10 |
| October | 190.5 | 10.4 | 1979-10-10 | 7 | 11 |
| November | 44.6 | 6.3 | 1979-11-23 | 19 | 0 |
| December | 75.2 | 7.5 | 1979-12-17 | 17 | 4 |