| 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 | 47.4 | 7.0 | 1955-01-31 | 20 | 0 |
| February | 45.2 | 5.1 | 1955-02-10 | 17 | 0 |
| March | 101.7 | 9.5 | 1955-03-03 | 16 | 1 |
| April | 184.4 | 11.9 | 1955-04-29 | 6 | 3 |
| May | 259.3 | 14.2 | 1955-05-10 | 5 | 7 |
| June | 256.6 | 14.8 | 1955-06-16 | 6 | 4 |
| July | 226.3 | 14.3 | 1955-07-18 | 7 | 5 |
| August | 232.8 | 13.1 | 1955-08-23 | 6 | 9 |
| September | 204.0 | 11.3 | 1955-09-10 | 6 | 2 |
| October | 136.0 | 9.2 | 1955-10-14 | 10 | 5 |
| November | 60.8 | 7.6 | 1955-11-16 | 19 | 2 |
| December | 52.4 | 6.7 | 1955-12-13 | 21 | 0 |