condition mean min max 3 h after light 0.3797816666666667 0.266774 0.477902 6 h after light 1.0644913333333332 0.944574 1.19305 9 h after light 1.0569273333333333 0.826963 1.42644 12 h after light 1.9644433333333333 1.36387 2.30003 3 h after dark 1.0951853333333332 0.459456 1.81351 6 h after dark 0.871919 0.480248 1.27459 9 h after dark 0.36412999999999995 0.147493 0.555935 12 h after dark 0.16647 0.0 0.379808