| Description of elements in the header |
| m_rs | monthly precipitation amount |
| m_rsh | monthly precipitation amount from snow |
| m_rx | daily maximum precipitation amount in the month |
| m_rxd | the day with the daily maximum precipitation amount |
| m_dr01 | number of days with precipitation amount ≥ 0.1 mm |
| m_dr1 | number of days with precipitation amount ≥ 1 mm |
| m_dr5 | number of days with precipitation amount ≥ 5 mm |
| m_dr10 | number of days with precipitation amount ≥ 10 mm |
| m_dr20 | number of days with precipitation amount ≥ 20 mm |
| m_dr30 | number of days with precipitation amount ≥ 30 mm |
| m_dr50 | number of days with precipitation amount ≥ 50 mm |
| m_drho | number of snowy days when the code of precipitation type is 4 or 5 or 8 |
| m_drjeg | number of icy days when the code of precipitation type is 6 or 9 |
| m_drziv | number of thundery days when the code of precipitation type is 7 or 9 |
| m_dron | number of days with freezing days when the code of precipitation type is 2 |