condition	mean	min	max
4 h after light	19.409399999999998	19.093	19.7258
8 h after light	23.33475	23.154	23.5155
12 h after light	25.125300000000003	24.5714	25.6792
4 h after dark	29.71965	28.2006	31.2387
8 h after dark	29.32895	28.863	29.7949
12 h after dark	27.707	26.6084	28.8056