| 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 |
| 1951. | m_ss | m_sx | m_sxd | m_dsf20 | m_dsf80 |
|---|---|---|---|---|---|
| January | 77.1 | 7.1 | 1951-01-12 | 15 | 0 |
| February | 109.4 | 8.9 | 1951-02-11 | 11 | 5 |
| March | 125.9 | 10.4 | 1951-03-22 | 13 | 2 |
| April | 203.7 | 13.0 | 1951-04-25 | 9 | 11 |
| May | 227.2 | 13.2 | 1951-05-01 | 5 | 4 |
| June | 279.8 | 14.6 | 1951-06-28 | 3 | 11 |
| July | 334.3 | 15.0 | 1951-07-08 | 1 | 12 |
| August | 320.0 | 13.8 | 1951-08-02 | 1 | 16 |
| September | 214.0 | 11.1 | 1951-09-05 | 6 | 11 |
| October | 171.1 | 10.0 | 1951-10-05 | 7 | 7 |
| November | 95.8 | 7.6 | 1951-11-20 | 13 | 1 |
| December | 74.8 | 7.2 | 1951-12-01 | 16 | 4 |