condition mean min max 0 h after light 3.102115 2.98607 3.21816 4 h after light 3.84452 2.92965 4.75939 8 h after light 7.4976199999999995 6.12215 8.87309 4 h after dark 7.747025000000001 7.0225 8.47155 8 h after dark 5.1780349999999995 5.05628 5.29979 12 h after dark 3.75462 2.84503 4.66421