D2 CLIMATIC Climatic Data at Tomakomai*, 1973-1982 (2) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann. Mean tem-5.0 -5.3 -1.7 3.8 9.7 14.2 18.6 19.6 15.6 9.8 2.7 -2.3 6.6 Precipit 98 76 144 128 103 145 131 299 215 260 145 92 1,767 * Altitude 6 m. Water temperature [deg C](Q) Station 1, 1981-1983 Depth [m Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 0 - - - - 5.5 12.0 - 20.1 - 12.4 7.7 5.8 20 - - - - 5.0 9.3 - 10.0 - 12.4 7.8 5.1