| 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 |
| 1954. | m_ss | m_sx | m_sxd | m_dsf20 | m_dsf80 |
|---|---|---|---|---|---|
| January | 62.8 | 7.2 | 1954-01-23 | 18 | 0 |
| February | 89.8 | 8.0 | 1954-02-06 | 12 | 2 |
| March | 115.3 | 9.7 | 1954-03-30 | 14 | 1 |
| April | 147.5 | 12.6 | 1954-04-23 | 12 | 2 |
| May | 214.4 | 13.7 | 1954-05-15 | 8 | 5 |
| June | 246.4 | 14.5 | 1954-06-09 | 5 | 8 |
| July | 256.8 | 13.4 | 1954-07-22 | 4 | 5 |
| August | 287.4 | 13.8 | 1954-08-13 | 4 | 12 |
| September | 218.8 | 12.4 | 1954-09-03 | 5 | 8 |
| October | 137.9 | 9.7 | 1954-10-09 | 12 | 5 |
| November | 78.8 | 8.2 | 1954-11-01 | 16 | 3 |
| December | 50.4 | 7.1 | 1954-12-10 | 20 | 2 |