| 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 |
| 1955. | m_ss | m_sx | m_sxd | m_dsf20 | m_dsf80 |
|---|---|---|---|---|---|
| January | 27.9 | 6.1 | 1955-01-15 | 25 | 0 |
| February | 63.8 | 7.7 | 1955-02-11 | 15 | 0 |
| March | 85.5 | 8.5 | 1955-03-18 | 19 | 0 |
| April | 203.9 | 13.3 | 1955-04-30 | 7 | 5 |
| May | 234.1 | 13.5 | 1955-05-30 | 9 | 6 |
| June | 220.7 | 13.3 | 1955-06-25 | 4 | 1 |
| July | 196.3 | 14.0 | 1955-07-18 | 7 | 2 |
| August | 214.5 | 12.9 | 1955-08-22 | 5 | 7 |
| September | 205.6 | 11.2 | 1955-09-04 | 5 | 4 |
| October | 109.4 | 9.6 | 1955-10-01 | 12 | 1 |
| November | 58.2 | 7.3 | 1955-11-28 | 20 | 2 |
| December | 43.3 | 7.4 | 1955-12-07 | 20 | 1 |