Information on
1931 / 01 Values for "Blue scale" (in the column "Phenological observations").
1931 / 12: Instrument replacement hygrometer on 2.12.1931.
1933 / 11+12: Notes "Clock of the thermograph in repair" and "Thermograph in repair"; missing maximum/minimum values in column "Temperature extremes".
1935 / 03: Note "Change in the observation of the wind direction: What was previously entered as NE was mostly N".
1936 / 02 and 1937 / 11: Notes on "jump" in or correction of "fog frequency".
1937 / 01: Monthly table not available.
1939 / 01: The "Meteorological Diaries" of the station are available at the Institute from this date (from 1988 / 06 "Climate Diaries").
1939 / 10: Detailed information on the "manufacturer" and "(serial) number" of the measuring devices used.
Notable events - a selection:
- From December 9 to 19, 1933, the average daily temperature was below -5 °C, on 5 days even below -10 °C.
- Despite the missing monthly sheet from January 1937, the annual precipitation total is 1231.7 mm, which is the highest value recorded to date (as of July 2017).
- On January 25, 1938, the observation of a northern lights is recorded under "Special events".
- On July 17, 1938, the highest daily precipitation to date was measured at 105.0 mm (as of July 2017). Precipitation for the entire month amounted to 224.6 mm.