D2 CLIMATIC << Climatic data at Suwa >> YEAR: 1951-1980 (2, 3) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann. -------------------------------------------------------------------------------------------------------------------------- Mean temp.[deg C] -2.0 -1.2 2.6 9.3 14.3 18.3 22.2 22.9 18.6 12.1 6.4 1.3 10.4 Precipition [mm] 47 55 84 120 117 205 219 141 179 112 67 41 1,386 << Number of hours of bright sunshine >> Suwa, 1951-1980, 2,246.2 hr yr-1 << Solar radiation >> Matsumoto 1973-1982 14.1MJ m-2 day-1 << Water temperature [deg C](8) >> SITE: Station 1 YEAR: 1983-1985 Month Jan Feb Mar* Apr May Jun Jul Aug Sep Oct Nov Dec -------------------------------------------------------------------------------------------------------- Depth [m] 0.5 - - 3.7 11.4 16.6 19.7 23.2 26.7 22.5 15.8 10.9 3.6 5 - - 3.5 9.5 14.5 18.5 19.8 21.7 21.4 14.8 7.7 3.6