Figure D.6: Effects of daily maximum temperature on student performance by achievement level. Note. This figure shows the estimates of a regression of students’ performance on daily maximum temperature on the day of the test. Dots represent the effect of daily maximum temperature on the performance of low-performing students (N for reading = 936,008; N for math= 1,263,913), diamonds represent this effect on the performance of middle-performing students (N for reading = 1,878,521; N for math= 2,530,598), and squares represent this effect on the performance of high-performing students (N for reading = 940,352; N for math= 1,266,943). The vertical lines illustrate the 95 percent confidence intervals. The grey band is the reference category for the temperature bins. 231
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