condition mean min max 0 h after light 6.704745 5.93025 7.47924 2 h after light 17.293499999999998 15.7952 18.7918 4 h after light 9.755334999999999 9.04787 10.4628 8 h after light 5.28125 5.15062 5.41188 12 h after light 6.827170000000001 6.20528 7.44906 2 h after dark 6.9658999999999995 6.48846 7.44334 4 h after dark 6.304345 5.60435 7.00434 8 h after dark 7.18673 6.78231 7.59115 12 h after dark 7.50047 7.25725 7.74369