Summary of observations in PhiladelphiaNote that the numbers below should be used very carefully. These numbers are not official recordings and are based on previous observations in Philadelphia. There may be observations in between those listed here that have higher or lower values. | | Lowest | Highest |
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| Value | Time | Value | Time |
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| Temperature | 32 °F | Mar 17 at 5:54 AM | 75 °F | Mar 21 at 3:54 PM | | | | | | Humidity | 15% | Mar 17 at 4:54 PM | 100% | Mar 22 at 10:00 AM | | | | | | Barometer | 29.61 "Hg | Mar 15 at 10:54 AM | 30.09 "Hg | Mar 21 at 9:54 AM | | | | |
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Detailed list for all week