condition mean min max 4 h after light 9.387755 9.02126 9.75425 8 h after light 13.843900000000001 13.6287 14.0591 12 h after light 13.509350000000001 12.9961 14.0226 4 h after dark 14.8872 14.0161 15.7583 8 h after dark 11.068349999999999 10.6249 11.5118 12 h after dark 10.989 10.7115 11.2665