condition mean min max 0 h after light 2.040075 1.18606 2.89409 4 h after light 1.0506229999999999 0.804236 1.29701 8 h after light 0.5931895 0.535638 0.650741 4 h after dark 1.48936 1.16279 1.81593 8 h after dark 1.888995 1.2956 2.48239 12 h after dark 1.827775 1.02809 2.62746