Woodruff Inflow Percentiles by Month
Period of record Feb 1957 - Sep 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	8704	10971	14433	17775	20860	24324	28777	34148	45027	59865	72522	30785
May	5834	7090	10009	12176	14337	16436	18668	21485	25828	33424	43126	19152
Jun	4948	5894	8351	10222	11799	13430	15157	17178	20297	26230	32872	15260
Jul	4829	5699	7439	9047	10359	11826	13593	15583	19200	25503	33208	15077
Aug	4472	5451	6723	8320	9785	11340	13035	15014	17562	22961	29897	13198
Sep	4288	5084	6527	7682	8905	10126	11513	13118	15008	18882	23227	11551
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