| 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 |
| 1953. | m_ss | m_sx | m_sxd | m_dsf20 | m_dsf80 |
|---|---|---|---|---|---|
| January | 60.8 | 7.5 | 1953-01-20 | 22 | 2 |
| February | 104.8 | 9.7 | 1953-02-25 | 11 | 3 |
| March | 224.5 | 10.2 | 1953-03-23 | 3 | 9 |
| April | 174.4 | 12.9 | 1953-04-22 | 9 | 6 |
| May | 229.8 | 14.5 | 1953-05-24 | 7 | 4 |
| June | 224.7 | 14.5 | 1953-06-25 | 4 | 4 |
| July | 291.5 | 14.2 | 1953-07-26 | 3 | 9 |
| August | 255.5 | 13.2 | 1953-08-12 | 4 | 10 |
| September | 202.3 | 11.5 | 1953-09-08 | 3 | 7 |
| October | 138.8 | 8.7 | 1953-10-03 | 8 | 1 |
| November | 89.3 | 7.6 | 1953-11-17 | 13 | 3 |
| December | 21.5 | 7.0 | 1953-12-17 | 26 | 1 |