condition mean min max 0 h after light 0.8927309999999999 0.891935 0.893527 4 h after light 0.44705399999999995 0.4397 0.454408 8 h after light 0.888809 0.453968 1.32365 4 h after dark 1.096723 0.879456 1.31399 8 h after dark 0.4429245 0.0 0.885849 12 h after dark 1.76207 1.74267 1.78147