condition mean min max 4 h after light 15.489691999999998 14.255465 16.723919 8 h after light 13.5862605 13.22983 13.942691 12 h after light 14.081271000000001 13.743371 14.419171 4 h after dark 13.539106499999999 12.725963 14.35225 8 h after dark 14.011727 13.440769 14.582685 12 h after dark 19.377431 19.377431 19.377431