condition mean min max 0 h after light 5.667485 5.30462 6.03035 2 h after light 3.8657399999999997 3.4435 4.28798 4 h after light 3.9159949999999997 2.78706 5.04493 8 h after light 3.9577799999999996 3.46226 4.4533 12 h after light 7.021509999999999 6.77685 7.26617 2 h after dark 8.058910000000001 7.99517 8.12265 4 h after dark 8.32795 7.30094 9.35496 8 h after dark 9.25182 7.73254 10.7711 12 h after dark 6.260625 6.16068 6.36057