| 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 |
| 1948. | m_ss | m_sx | m_sxd | m_dsf20 | m_dsf80 |
|---|---|---|---|---|---|
| January | 66.5 | 6.7 | 1948-01-01 | 17 | 0 |
| February | 97.6 | 9.8 | 1948-02-25 | 16 | 6 |
| March | 224.6 | 11.0 | 1948-03-24 | 1 | 11 |
| April | 198.7 | 13.1 | 1948-04-20 | 8 | 8 |
| May | 266.7 | 14.4 | 1948-05-16 | 2 | 6 |
| June | 260.5 | 15.0 | 1948-06-14 | 4 | 7 |
| July | 309.8 | 14.4 | 1948-07-29 | 4 | 13 |
| August | 292.4 | 14.1 | 1948-08-01 | 4 | 15 |
| September | 231.5 | 12.2 | 1948-09-01 | 3 | 7 |
| October | 165.3 | 10.2 | 1948-10-04 | 9 | 7 |
| November | 48.3 | 8.7 | 1948-11-13 | 23 | 2 |
| December | 56.9 | 7.9 | 1948-12-15 | 20 | 1 |