condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.943105 0.0 1.88621 4 h after light 0.0 0.0 0.0 8 h after light 0.1440395 0.0 0.288079 12 h after light 0.958885 0.0 1.91777 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 1.056257 0.911164 1.20135 12 h after dark 0.0 0.0 0.0