temperature_adjustment: Adjust rearing time based on temperature
In fishsciences/YoloBypassSBM: Yolo Bypass Salmon Benefits Model

Rearing time after potentially truncating based on temperature threshold

1	temperature_adjustment(water_year_string, date_index, duration, location)

`water_year_string`	Water year (1997-2011) as a string
`date_index`	Index of date in a water year at start of rearing period; in all years except WY1997, equivalent to day of water year
`duration`	Maximum numbr of rearing days
`location`	Rearing location: Yolo or Delta