condition mean min max 4 h after light 10.0940065 9.178515 11.009498 8 h after light 9.872841999999999 9.138912 10.606772 12 h after light 10.340858 9.767948 10.913768 4 h after dark 9.4182865 8.569359 10.267214 8 h after dark 9.89583 9.411864 10.379796 12 h after dark 10.199555 10.199555 10.199555