| 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 | 62.2 | 6.7 | 1972-01-14 | 18 | 0 |
| February | 86.5 | 8.5 | 1972-02-05 | 16 | 3 |
| March | 191.8 | 10.5 | 1972-03-13 | 5 | 6 |
| April | 158.6 | 12.3 | 1972-04-29 | 7 | 3 |
| May | 190.7 | 13.0 | 1972-05-26 | 8 | 1 |
| June | 273.4 | 14.0 | 1972-06-08 | 3 | 6 |
| July | 217.4 | 12.7 | 1972-07-30 | 7 | 1 |
| August | 216.8 | 12.0 | 1972-08-14 | 8 | 4 |
| September | 174.6 | 10.5 | 1972-09-07 | 6 | 3 |
| October | 111.7 | 8.8 | 1972-10-20 | 15 | 3 |
| November | 90.5 | 7.4 | 1972-11-16 | 13 | 0 |
| December | 65.2 | 6.6 | 1972-12-28 | 17 | 0 |