condition mean min max 4 h after light 3.532979333333333 3.3083129999999996 3.881422 8 h after light 2.598729666666667 1.843798 3.027933 12 h after light 1.6151166666666668 1.4284459999999999 1.8038560000000001 16 h after light 3.5907293333333334 3.036996 3.9652089999999998 4 h after dark 2.7470216666666665 2.42941 3.255074 8 h after dark 7.6187439999999995 1.7554830000000001 16.965239999999998