Geography and urban development of Dresden temperatures are almost the same as those in cities in southwest Germany; on average 10.2°C per year. In hot summers, Dresden is between the hot Lusatia and the milder Ore Mountains. Both regions are characterised by strong winters: temperatures of −20°C are not impossible in Dresden. The driest months are February and March, with precipitation of 40 mm. Spring months have often been arid in the last couple of years (with less than 10 mm of precipitation). The most precipitation falls in July and August, at 60 mm per month. Due to its location on the banks of the Elbe
SMS Hamburg 07:40, at which point "Hamburg" and "Stuttgart" were detached to sink their pursuers. At 08:02, "Roon" signaled the two light cruisers and ordered them to abandon the pursuit and retreat along with the rest of the High Seas Fleet. On 21 April 1915, "Hamburg" collided with the German torpedo boat "S21" in the North Sea off the mouth of the Weser river. "Hamburg" was assigned to the IV Scouting Group during the Battle of Jutland on 31 May – 1 June 1916. The IV Scouting Group, under the command of Commodore Ludwig von Reuter, departed Wilhelmshaven at 03:30 on 31