| 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 | 49.1 | 7.2 | 1955-01-19 | 22 | 0 |
| February | 76.2 | 8.5 | 1955-02-15 | 13 | 1 |
| March | 91.3 | 9.8 | 1955-03-19 | 18 | 1 |
| April | 213.8 | 12.9 | 1955-04-29 | 7 | 7 |
| May | 311.0 | 14.7 | 1955-05-31 | 5 | 13 |
| June | 272.3 | 14.1 | 1955-06-16 | 3 | 5 |
| July | 215.6 | 13.9 | 1955-07-03 | 9 | 5 |
| August | 245.8 | 13.3 | 1955-08-18 | 3 | 9 |
| September | 216.6 | 11.1 | 1955-09-05 | 6 | 8 |
| October | 132.7 | 9.6 | 1955-10-02 | 12 | 4 |
| November | 70.3 | 8.0 | 1955-11-16 | 17 | 2 |
| December | 56.5 | 7.2 | 1955-12-05 | 21 | 3 |