AIR BASIN	1980	1981	1982	1983	1984	1985	1986	1987	1988	1989	1990	1991	1992	1993	1994	1995	1996	1997	1998	1999																																				
GREAT BASIN VALLEYS									78	72	78	48	69	60	60	36	21	36	78	23																																				
LAKE COUNTY									0	0	0	0	0	0	0	0	0	0	0	0																																				
LAKE TAHOE									60	30	60	36	30	30	42	18	24	12	12	0																																				
MOJAVE DESERT									90	147	132	66	81	60	84	18	24	18	18	30																																				
MOUNTAIN COUNTIES									78	66	95	90	84	90	84	30	18	66	24	36																																				
NORTH CENTRAL COAST									18	12	12	6	0	48	30	72	72	72	24	36																																				
NORTH COAST									69	42	30	30	6	12	24	12	9	6	0	30																																				
NORTHEAST PLATEAU									24	30	30	12	24	6	18	54	12	18	12	54																																				
SACRAMENTO VALLEY									120	84	93	114	96	60	36	66	42	24	60	66																																				
SALTON SEA									198	222	246	222	138	150	192	210	246	294	264	306																																				
SAN DIEGO									87	111	42	81	36	132	129	114	90	126	108	126																																				
SAN FRANCISCO BAY AREA									78	84	72	90	78	48	42	24	12	18	18	36																																				
SAN JOAQUIN VALLEY									246	234	267	225	216	180	156	186	204	108	114	174																																				
SOUTH CENTRAL COAST									114	132	66	96	54	114	30	48	78	48	48	36																																				
SOUTH COAST									306	300	276	246	234	252	246	228	255	246	186	258