condition mean min max 4 h after light 166.64428 145.017826 188.270734 8 h after light 215.227577 185.524893 244.930261 12 h after light 194.7815635 185.385903 204.177224 4 h after dark 207.0846575 204.796278 209.373037 8 h after dark 154.9399875 131.933123 177.946852 12 h after dark 147.462826 147.462826 147.462826