| 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 |
| 1938. | m_ss | m_sx | m_sxd | m_dsf20 | m_dsf80 |
|---|---|---|---|---|---|
| January | 59.1 | 6.0 | 1938-01-13 | 18 | 0 |
| February | 124.3 | 9.4 | 1938-02-19 | 9 | 5 |
| March | 160.9 | 10.6 | 1938-03-30 | 8 | 1 |
| April | 168.4 | 11.1 | 1938-04-03 | 9 | 5 |
| May | 262.2 | 14.4 | 1938-05-16 | 5 | 12 |
| June | 343.1 | 14.8 | 1938-06-02 | 1 | 14 |
| July | 348.2 | 14.6 | 1938-07-03 | 2 | 16 |
| August | 233.2 | 13.6 | 1938-08-05 | 8 | 9 |
| September | 215.3 | 10.6 | 1938-09-09 | 5 | 4 |
| October | 122.7 | 9.4 | 1938-10-07 | 15 | 4 |
| November | 59.3 | 7.2 | 1938-11-29 | 21 | 1 |
| December | 32.0 | 7.3 | 1938-12-15 | 25 | 2 |