condition mean min max 4 h after light 0.2146 0.156846 0.272354 8 h after light 0.15941365 0.0635383 0.255289 12 h after light 0.2581335 0.205866 0.310401 4 h after dark 0.20445999999999998 0.137614 0.271306 8 h after dark 0.2115375 0.202142 0.220933 12 h after dark 0.311692 0.200777 0.422607