condition mean min max 0 h after light 8.738335 8.64409 8.83258 2 h after light 7.20723 6.30105 8.11341 4 h after light 4.7408850000000005 4.72253 4.75924 8 h after light 6.0688200000000005 5.66652 6.47112 12 h after light 7.49993 6.26323 8.73663 2 h after dark 8.82462 7.04044 10.6088 4 h after dark 8.481215 6.81713 10.1453 8 h after dark 10.214504999999999 9.29021 11.1388 12 h after dark 9.74789 9.06748 10.4283