condition mean min max 2 h after light 0.7323366666666666 0.0 3.38477 6 h after light 1.3509823333333333 0.260643 2.5875 10 h after light 0.9799745 0.0 2.36094 14 h after light 1.04999 0.0 1.57004 18 h after light 1.7379555 0.234054 5.63346 2 h after dark 1.0367731666666666 0.30126 2.15565