condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0747035 0.0 0.149407 4 h after light 0.0 0.0 0.0 8 h after light 0.0768659 0.0767198 0.077012 12 h after light 0.1225693 0.0748956 0.170243 2 h after dark 0.15689275 0.0834695 0.230316 4 h after dark 0.0358362 0.0 0.0716724 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0