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	Natural Environment
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Weather
Air
Microbes
Ocean / Sea
Surface Waters / Wetlands
	Unusual or Unexpected Event
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Extreme Temperature
Seasonal Timing
	Impact on Human Environment
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Human Health
Sanitation
Energy
Sports / Recreation