condition mean min max 0 h after light 0.0239708 0.0230874 0.0248542 2 h after light 0.0 0.0 0.0 4 h after light 0.01131545 0.0 0.0226309 8 h after light 0.0357194 0.0237526 0.0476862 12 h after light 0.0 0.0 0.0 2 h after dark 0.0356532 0.0 0.0713064 4 h after dark 0.011095 0.0 0.02219 8 h after dark 0.0 0.0 0.0 12 h after dark 0.01232225 0.0 0.0246445