D2 CLIMATIC << Climatic data at Yasumiya >> YEAR: 1977-1981 (9) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann. --------------------------------------------------------------------------------------------------------------------------- Mean temp. [deg C] -4.6 -4.7 -0.9 4.1 10.0 15.5 19.6 19.6 15.6 10.4 4.3 -0.2 7.4 Precipition [mm] 81 81 127 126 120 169 176 264 152 152 137 140 1,725 << Number of hours of bright sunshine >> 1,690.7 hr yr-1 << Water temperature [deg C](3, 10) >> YEAR: 1985 Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -------------------------------------------------------------------------------------------------------- Depth [m] 0.5 - - - 2.8 4.0 7.9 17.5 23.5 21.0 14.5 11.5 - 5 - - - 3.0 4.0 8.4 16.0 22.5 20.7 15.0 11.0 -