condition mean min max 3 h after light 131.88633333333334 127.949 135.163 6 h after light 106.37943333333332 94.0773 115.392 9 h after light 110.967 103.462 123.743 12 h after light 196.38225 168.912 257.818 3 h after dark 245.165 230.954 255.549 6 h after dark 371.6023333333333 366.172 381.767 9 h after dark 414.62266666666665 391.793 427.666 12 h after dark 285.01099999999997 267.531 302.491