condition mean min max 0 h after light 0.1783345 0.101776 0.254893 4 h after light 0.6096245 0.466659 0.75259 8 h after light 0.4560215 0.207203 0.70484 4 h after dark 0.3513185 0.251054 0.451583 8 h after dark 0.5050515 0.451064 0.559039 12 h after dark 0.4253245 0.254098 0.596551