Woodruff Inflow Percentiles by Month
Period of record Feb 1957 - Mar 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	9787	12218	16386	19892	23788	27995	32933	39412	47830	58515	69087	32597
Mar	11910	14647	18272	21889	26141	30456	35665	41867	49692	61147	75788	36063
Apr	9300	11346	14824	18067	21130	24616	29081	34518	45215	59960	73091	31119
May	5921	7189	10212	12414	14526	16585	18880	21604	25947	33517	43415	19312
Jun	4926	5836	8313	10185	11764	13401	15140	17134	20216	26063	32840	15214
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