condition mean min max 4 h after light 170.9192735 163.770518 178.068029 8 h after light 154.0155325 146.226322 161.804743 12 h after light 169.430768 147.16311 191.698426 4 h after dark 162.069989 143.434916 180.705062 8 h after dark 142.88156850000001 130.059074 155.704063 12 h after dark 199.683399 199.683399 199.683399