condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.10243833333333334 0.0 0.307315 8 h after dark 0.38434666666666667 0.0 1.15304 12 h after dark 0.20205666666666666 0.0 0.60617