Bringing the Universe to America's Classrooms
(OBS) Illuminating Earth over a Year

Interpreting Data Tables

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On the previous page, you learned about the seasonal differences in the amount of daylight hours in June and December. Daylight hours are based on sunrise and sunset times. These tables list daylight data for the 21st of each month in 2016 and 2017. Scan the data for each location. Use the data to look for patterns. 

Click on each image to view a larger version.

Data tables showing daylight data for two years in New York City, a location in the northern hemisphere. See non-visual support file "Interpreting Data Tables" for data table contents.
Data tables showing daytime data for two years in Melbourne, Australia, a location in the southern hemisphere. See non-visual support file "Interpreting Data Tables" for data table contents.

Interpret the Data

Complete the chart below.

1. What patterns do you notice in the monthly total daylight data for New York City? Refer to the tables to explain the patterns.

2. What patterns do you notice in the monthly total daylight data for Melbourne? Refer to the tables to explain the patterns.

3. Compare and contrast the New York City and Melbourne data. How are they alike? How are they different? Provide evidence from the tables to support your answer.

4. Record any questions you have about the data here.

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