| 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 |
| 1972. | m_ss | m_sx | m_sxd | m_dsf20 | m_dsf80 |
|---|---|---|---|---|---|
| January | 68.0 | 6.9 | 1972-01-01 | 17 | 1 |
| February | 71.3 | 8.5 | 1972-02-05 | 14 | 1 |
| March | 188.5 | 10.7 | 1972-03-14 | 7 | 7 |
| April | 162.4 | 11.2 | 1972-04-08 | 8 | 2 |
| May | 192.7 | 12.6 | 1972-05-21 | 9 | 1 |
| June | 268.8 | 14.4 | 1972-06-17 | 6 | 11 |
| July | 261.1 | 13.5 | 1972-07-12 | 3 | 3 |
| August | 195.0 | 12.6 | 1972-08-13 | 11 | 6 |
| September | 177.3 | 10.8 | 1972-09-02 | 6 | 4 |
| October | 134.3 | 10.2 | 1972-10-06 | 13 | 6 |
| November | 67.0 | 6.2 | 1972-11-08 | 13 | 0 |
| December | 78.1 | 7.9 | 1972-12-30 | 18 | 4 |