condition mean min max 0 h after light 4.823355 4.67222 4.97449 2 h after light 3.981325 3.7547 4.20795 4 h after light 3.2258750000000003 3.1301 3.32165 8 h after light 4.074375 3.71166 4.43709 12 h after light 6.0864899999999995 6.03656 6.13642 2 h after dark 6.948370000000001 6.71302 7.18372 4 h after dark 6.91218 6.85928 6.96508 8 h after dark 5.886525000000001 5.31292 6.46013 12 h after dark 5.149025 4.26939 6.02866