| 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 | 59.2 | 7.7 | 1953-01-27 | 20 | 1 |
| February | 81.7 | 10.0 | 1953-02-25 | 16 | 3 |
| March | 215.4 | 10.2 | 1953-03-22 | 4 | 5 |
| April | 214.5 | 12.9 | 1953-04-13 | 6 | 7 |
| May | 251.4 | 14.5 | 1953-05-26 | 7 | 8 |
| June | 251.4 | 14.2 | 1953-06-30 | 5 | 7 |
| July | 344.7 | 14.6 | 1953-07-25 | 0 | 13 |
| August | 285.8 | 13.7 | 1953-08-11 | 5 | 13 |
| September | 229.3 | 11.8 | 1953-09-03 | 2 | 10 |
| October | 178.0 | 9.5 | 1953-10-09 | 7 | 9 |
| November | 70.4 | 8.4 | 1953-11-03 | 17 | 3 |
| December | 48.5 | 5.8 | 1953-12-21 | 21 | 0 |