| 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 | 59.0 | 8.4 | 1953-01-27 | 20 | 1 |
| February | 91.7 | 9.8 | 1953-02-26 | 16 | 4 |
| March | 232.7 | 10.5 | 1953-03-22 | 3 | 12 |
| April | 226.4 | 13.1 | 1953-04-23 | 6 | 11 |
| May | 277.5 | 14.3 | 1953-05-24 | 5 | 9 |
| June | 245.4 | 14.8 | 1953-06-29 | 3 | 4 |
| July | 351.9 | 14.6 | 1953-07-14 | 0 | 17 |
| August | 304.7 | 13.4 | 1953-08-11 | 5 | 19 |
| September | 243.2 | 12.4 | 1953-09-01 | 3 | 9 |
| October | 192.8 | 9.6 | 1953-10-22 | 6 | 4 |
| November | 118.3 | 8.3 | 1953-11-17 | 12 | 6 |
| December | 94.0 | 7.1 | 1953-12-14 | 13 | 2 |