condition mean min max 4 h after light 0.434287 0.186497 0.563535 8 h after light 0.2584822666666666 0.0819948 0.396935 12 h after light 0.19975513333333333 0.0579744 0.38284 4 h after dark 0.29145733333333335 0.122036 0.431761 8 h after dark 0.18989 0.160232 0.249066 12 h after dark 0.5155959999999999 0.463705 0.55706