Woodruff Inflow Percentiles by Month
Period of record Feb 1957 - Jun 2026
Month	P05	P10	P20	P30	P40	P50	P60	P70	P80	P90	P95	Avg
Jan	7136	9338	12344	15201	18129	21367	26309	31539	38116	50917	59562	26465
Feb	9839	12218	16386	19892	23788	27995	32933	39412	47830	58515	69087	32597
Mar	11730	14386	18052	21755	25780	30256	35469	41657	49563	60634	75625	35812
Apr	8636	10971	14433	17775	20860	24324	28777	34148	45027	59865	72522	30782
May	5860	7112	10030	12176	14337	16436	18668	21485	25828	33424	43126	19157
Jun	4930	5848	8320	10190	11775	13414	15148	17153	20216	26053	32819	15220
Jul	4812	5677	7408	9052	10414	11882	13686	15644	19360	25535	33385	15147
Aug	4469	5441	6722	8389	9823	11472	13121	15118	17640	23085	30035	13262
Sep	4288	5079	6535	7685	8907	10134	11523	13121	15030	18890	23236	11560
Oct	4139	4883	5967	7124	8344	9624	11205	12846	14846	19391	26918	11571
Nov	4446	5501	6845	8088	9353	10750	12463	14457	17506	23412	29161	13093
Dec	5242	6473	8551	10421	12378	14576	17383	21514	27991	40107	50900	19845