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 0.02847775 0.0 0.0569555 4 h after dark 0.07533129999999999 0.0380726 0.11259 8 h after dark 0.06549455 0.0564221 0.074567 12 h after dark 0.055586 0.0 0.111172