| 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 | 75.7 | 8.5 | 1988-01-27 | 18 | 3 |
| February | 100.0 | 9.0 | 1988-02-21 | 12 | 2 |
| March | 138.0 | 10.6 | 1988-03-19 | 11 | 3 |
| April | 204.7 | 12.2 | 1988-04-15 | 8 | 8 |
| May | 216.8 | 12.5 | 1988-05-01 | 7 | 2 |
| June | 267.7 | 14.3 | 1988-06-14 | 4 | 6 |
| July | 353.3 | 13.8 | 1988-07-04 | 1 | 19 |
| August | 296.7 | 13.1 | 1988-08-01 | 4 | 16 |
| September | 191.7 | 11.4 | 1988-09-03 | 6 | 7 |
| October | 167.8 | 10.1 | 1988-10-09 | 9 | 5 |
| November | 129.4 | 8.7 | 1988-11-04 | 9 | 5 |
| December | 123.0 | 7.6 | 1988-12-27 | 11 | 5 |