Estimating Nitrogen Availability of Heat-Dried Biosolids

Table 4

Monthly mean temperature, monthly precipitation, and irrigation applied during the growing season, March–October 2007–2009.

	Mean temperature			Precipitation			Irrigation
	2007	2008	2009	2007	2008	2009	2007	2008	2009
	°C			mm			mm and (number)
March	8.6	5.8	5.6	138	86	121
April	9.6	7.7	9.1	32	46	87
May	12.5	13.2	12.8	28	22	77			38 (2)
June	15.1	14.3	16.9	32	27	13	51 (2)	25 (1)	58 (3)
July	18.8	17.2	19.6	29	23	0	51 (2)	71 (3)	89 (4)
August	16.9	17.9	17.7	42	47	30	51 (2)	25 (1)	18 (1)
September	14.2	14.4	15.3	54	9	70	23 (1)	25 (1)	18 (1)
October	9.4	9.9	10.3	90	63	133

Numbers in parentheses in irrigation columns are number of irrigations in that month.