Table 3. Precipitation, bifenthrin use, and predicted max TUs at the site OCRR during 1990–2008.

Year	Max TU (rainfall season)	Precipitation (cm)		Bifenthrin use (kg)
		Nov & Dec	annual	Sep & Oct	annual
1990	0.0117	1.72	17.87	0.00	0.00
1991	0.1045	2.4	23.05	0.00	0.00
1992	0.2072	2.52	22.9	0.00	24.05
1993	0.3128	0.89	19.16	0.00	29.41
1994	0.2629	0.71	6.37	0.00	13.66
1995	0.1798	3.73	29.54	1.34	2.77
1996	0.3257	12.12	41.76	0.00	10.42
1997	0.2682	12.3	26.03	0.00	9.65
1998	0.2715	3.96	47.44	0.00	10.24
1999	0.1976	2.24	28.2	0.00	3.15
2000	0.1286	0.65	19.34	8.14	41.10
2001	0.4581	9.2	26.03	0.00	31.93
2002	1.1647	11.44	24.53	13.34	48.73
2003	1.3027	7.23	16.9	18.73	64.19
2004	0.5627	8.49	25.67	1.34	13.52
2005	0.4622	3.92	25.67	6.38	36.93
2006	0.2462	2.8	19.01	9.60	31.01
2007	0.3816	3.47	12.91	4.02	83.24
2008	0.3923	3.26	12.95	1.76	61.13