condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.15281175 0.0 0.611247 3 h after dark 0.22480266666666668 0.0 0.337212 6 h after dark 0.2579383333333333 0.0 0.482499 9 h after dark 0.10236566666666667 0.0 0.307097 12 h after dark 0.0 0.0 0.0