condition mean min max 0 h after light 0.277265 0.277018 0.277512 4 h after light 0.14113 0.0 0.28226 8 h after light 0.27802649999999995 0.274066 0.281987 4 h after dark 0.136571 0.0 0.273142 8 h after dark 0.0 0.0 0.0 12 h after dark 0.2706195 0.0 0.541239