| 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 | 76.2 | 6.9 | 1951-01-12 | 15 | 0 |
| February | 94.7 | 9.0 | 1951-02-24 | 14 | 3 |
| March | 115.9 | 10.3 | 1951-03-22 | 13 | 2 |
| April | 187.7 | 13.2 | 1951-04-25 | 10 | 9 |
| May | 222.6 | 13.0 | 1951-05-31 | 6 | 5 |
| June | 277.9 | 14.5 | 1951-06-28 | 1 | 5 |
| July | 340.6 | 14.4 | 1951-07-11 | 0 | 11 |
| August | 286.2 | 13.2 | 1951-08-01 | 6 | 16 |
| September | 203.1 | 11.5 | 1951-09-05 | 7 | 5 |
| October | 198.4 | 9.9 | 1951-10-15 | 4 | 10 |
| November | 91.3 | 7.8 | 1951-11-19 | 13 | 2 |
| December | 49.4 | 6.1 | 1951-12-18 | 21 | 0 |