condition mean min max 0 h after light 36.76155 28.7226 44.8005 2 h after light 0.0 0.0 0.0 4 h after light 4.154365 0.0 8.30873 8 h after light 0.0 0.0 0.0 12 h after light 24.6476 18.4497 30.8455 2 h after dark 8.84285 0.0 17.6857 4 h after dark 0.0 0.0 0.0 8 h after dark 9.533 0.0 19.066 12 h after dark 0.0 0.0 0.0