condition mean min max 3 h after light 27.4845 24.323 29.2095 6 h after light 17.773966666666666 16.6241 19.1272 9 h after light 17.2081 15.6666 19.9585 12 h after light 33.11995 19.8394 66.5661 3 h after dark 23.192466666666665 19.9503 27.1356 6 h after dark 35.34883333333333 32.1937 38.8904 9 h after dark 30.3633 28.7626 32.9016 12 h after dark 42.14975 37.7264 46.5731