. Compendium of meteorology. Meteorology. BEFORE MAXIMUM Fig. 2.âThe average course of some meteorological ele- ments during a sunspot cj'cle. (The dashed portion of some curves indicates that these cases, because of the relative brev- ity of the interval, are based on only few years of observa- tions.) (a) Departure of precipitation (in mm) in central Europe during the midsummers, 1803-1943; (6) pressure de- parture (in mm Hg) in Berlin for the midsummers, 1875-1944; (c) departure of the pressure difference (in mm Hg) between the Azores and Iceland for the winters, 1866-1940; (d) departure of
. Compendium of meteorology. Meteorology. BEFORE MAXIMUM Fig. 2.âThe average course of some meteorological ele- ments during a sunspot cj'cle. (The dashed portion of some curves indicates that these cases, because of the relative brev- ity of the interval, are based on only few years of observa- tions.) (a) Departure of precipitation (in mm) in central Europe during the midsummers, 1803-1943; (6) pressure de- parture (in mm Hg) in Berlin for the midsummers, 1875-1944; (c) departure of the pressure difference (in mm Hg) between the Azores and Iceland for the winters, 1866-1940; (d) departure of the difference between winter and summer pressures (in mm Hg) for li (Barnaul + Irkutsk) + J^ (Lahore + Karachi) for 1881 to 1940; (e) departure of the mean annual pres- sure for li (Capetown -f Adelaide) (in 1/1000 in.) for 1865 to 1940; (J) yearly number of severe winter months ( I departure | > a) in central Europe, 1752-1947; {g) yearly number of cold winter months ( | departure | >) for Chi- cago + St. Louis, 1847-1946, Qi) departure of the mean annual temperature in J^oC for ]4 (Apia + Colombo), 1890-1945. I t I I I I I in O lo O in o m ro to oj w â AFTER MAXIMUM inoiooinoinoino O cocvjroro^^in 1 I t r I 1 I I I â CJ CvJK) to ^ ^. BEFORE MINIMUM â (ij â (i)â(i) â (i). ^rotocjcvj oO I I i I I I ) I 1 ifiOinoinoinOin ^"i-fOlOWW â ^O AFTER MINIMUM in O in O in o 1 r I I t OO â â NCM % % % % DEPARTURE OF WINTER TEMPERATURES â OR ABOVE NORMAL ( °C TO -1,8 °0 H-a-O °C Fig. 3.âThe position of the winter (January) with respect to the nearest sunspot extreme and the temperature character- istics of the winter in central Europe for the period 1755-1949 (for lack of space the individual years have not been identi- fied) . The frequencies below the abscissa refer to winters with negative temperature departures of more than of thirty-one winters (29 per cent) were too cold by more than , whe
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