condition mean min max 0 h after light 8.21405 8.07487 8.35323 2 h after light 3.18444 2.73243 3.63645 4 h after light 4.838839999999999 4.33036 5.34732 8 h after light 6.458975000000001 5.78775 7.1302 12 h after light 7.549645 7.39456 7.70473 2 h after dark 6.326715 5.87944 6.77399 4 h after dark 6.8053799999999995 6.5539 7.05686 8 h after dark 7.93545 6.90278 8.96812 12 h after dark 8.1879 7.18789 9.18791