| 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 |
| 1923. | m_ss | m_sx | m_sxd | m_dsf20 | m_dsf80 |
|---|---|---|---|---|---|
| January | 15.0 | 7.5 | 1923-01-20 | 29 | 1 |
| February | 41.0 | 8.0 | 1923-02-06 | 21 | 1 |
| March | 147.1 | 9.6 | 1923-03-25 | 12 | 0 |
| April | 155.2 | 12.4 | 1923-04-30 | 9 | 1 |
| May | 329.1 | 13.4 | 1923-05-05 | 1 | 13 |
| June | 213.5 | 13.2 | 1923-06-08 | 4 | 1 |
| July | 321.5 | 14.4 | 1923-07-10 | 0 | 11 |
| August | 330.5 | 13.5 | 1923-08-02 | 1 | 15 |
| September | 192.6 | 10.5 | 1923-09-10 | 4 | 3 |
| October | 144.5 | 9.0 | 1923-10-26 | 10 | 4 |
| November | 72.0 | 8.5 | 1923-11-01 | 16 | 1 |
| December | 46.1 | 5.9 | 1923-12-19 | 22 | 0 |