condition mean min max 4 h after light 4832.382778 4814.266667 4866.935 8 h after light 5168.773888666667 4735.913333 5526.323333 12 h after light 5173.42 4627.503333 5677.386667 1.5 h after dark 5703.562222333333 4587.273333 6666.326667 5.5 h after dark 6339.244444333333 5516.74 7476.12 9.5 h after dark 5808.092222333333 5246.716667 6718.4