condition mean min max 4 h after light 1181.9232240000001 1026.691314 1337.155134 8 h after light 1147.8628245 988.878208 1306.847441 12 h after light 1171.5455795 1100.586421 1242.504738 4 h after dark 1089.448666 1004.924509 1173.972823 8 h after dark 707.2983465 589.232057 825.364636 12 h after dark 818.346923 818.346923 818.346923