condition mean min max 0 h after light 57.918350000000004 52.3343 63.5024 4 h after light 25.6496 25.0535 26.2457 8 h after light 25.6717 25.5479 25.7955 4 h after dark 30.97205 27.845 34.0991 8 h after dark 34.36045 32.9961 35.7248 12 h after dark 39.77175 32.8135 46.73