| 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 | 68.7 | 8.0 | 1953-01-27 | 17 | 1 |
| February | 103.1 | 9.6 | 1953-02-26 | 14 | 6 |
| March | 226.2 | 10.3 | 1953-03-02 | 5 | 9 |
| April | 182.8 | 13.3 | 1953-04-22 | 9 | 5 |
| May | 253.0 | 14.1 | 1953-05-24 | 4 | 6 |
| June | 243.5 | 14.2 | 1953-06-18 | 5 | 6 |
| July | 341.4 | 14.6 | 1953-07-18 | 2 | 17 |
| August | 284.1 | 13.3 | 1953-08-11 | 5 | 17 |
| September | 246.7 | 12.4 | 1953-09-02 | 2 | 14 |
| October | 176.0 | 9.3 | 1953-10-22 | 6 | 2 |
| November | 105.7 | 8.3 | 1953-11-19 | 12 | 3 |
| December | 61.5 | 7.3 | 1953-12-17 | 19 | 2 |