| 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 |
| 1988. | m_ss | m_sx | m_sxd | m_dsf20 | m_dsf80 |
|---|---|---|---|---|---|
| January | 58.1 | 7.8 | 1988-01-27 | 19 | 1 |
| February | 84.0 | 8.7 | 1988-02-21 | 14 | 1 |
| March | 108.8 | 10.3 | 1988-03-30 | 14 | 1 |
| April | 162.7 | 12.5 | 1988-04-12 | 8 | 3 |
| May | 223.1 | 13.2 | 1988-05-09 | 10 | 4 |
| June | 252.9 | 14.2 | 1988-06-04 | 3 | 4 |
| July | 332.0 | 14.1 | 1988-07-07 | 2 | 13 |
| August | 285.7 | 13.0 | 1988-08-01 | 4 | 14 |
| September | 175.8 | 12.1 | 1988-09-03 | 9 | 5 |
| October | 175.0 | 10.0 | 1988-10-09 | 7 | 8 |
| November | 97.9 | 8.1 | 1988-11-01 | 10 | 1 |
| December | 83.9 | 6.6 | 1988-12-28 | 14 | 0 |