| 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 |
| 1965. | m_ss | m_sx | m_sxd | m_dsf20 | m_dsf80 |
|---|---|---|---|---|---|
| January | 57.6 | 6.9 | 1965-01-24 | 20 | 0 |
| February | 123.2 | 8.6 | 1965-02-25 | 7 | 3 |
| March | 178.6 | 11.6 | 1965-03-31 | 7 | 4 |
| April | 141.5 | 11.4 | 1965-04-03 | 12 | 3 |
| May | 174.8 | 12.7 | 1965-05-13 | 11 | 3 |
| June | 221.2 | 15.2 | 1965-06-29 | 8 | 6 |
| July | 253.4 | 15.0 | 1965-07-07 | 7 | 6 |
| August | 237.4 | 14.0 | 1965-08-07 | 4 | 8 |
| September | 178.5 | 10.2 | 1965-09-05 | 6 | 2 |
| October | 196.1 | 9.8 | 1965-10-15 | 3 | 8 |
| November | 44.4 | 8.4 | 1965-11-06 | 23 | 2 |
| December | 61.7 | 6.8 | 1965-12-01 | 19 | 0 |