Allatoona Lake Elevation Percentiles by Month
Period of record Jan 1952 - Apr 2026
Month	P05	P10	P20	P30	P40	P50	P60	P70	P80	P90	P95	Avg
Jan	820.21	821.69	823.10	824.02	824.85	825.64	826.62	827.78	829.19	832.22	834.59	826.28
Feb	824.86	826.14	827.52	828.14	828.76	829.49	830.22	830.97	832.34	834.72	837.70	830.11
Mar	829.94	831.18	832.42	833.26	834.01	834.87	835.63	836.75	838.23	841.09	845.09	835.71
Apr	834.77	835.70	836.89	837.82	838.58	839.29	839.91	840.56	841.27	842.92	849.13	839.66
May	836.15	838.54	839.57	839.92	840.19	840.45	840.79	841.17	841.59	842.96	844.28	840.56
Jun	834.94	837.25	839.25	839.71	839.95	840.19	840.43	840.75	841.09	841.46	841.86	839.76
Jul	834.46	835.40	837.92	838.96	839.52	839.82	840.00	840.24	840.58	841.29	841.83	839.10
Aug	831.96	833.32	834.96	836.31	837.40	838.46	839.08	839.52	839.99	840.46	840.92	837.50
Sep	829.01	830.43	832.60	833.78	834.91	836.17	837.03	837.84	838.57	839.42	840.06	835.51
Oct	825.13	827.39	830.25	831.71	832.70	833.55	834.35	835.40	836.38	837.55	838.91	833.19
Nov	822.60	824.36	827.46	828.63	829.29	829.98	830.74	831.70	832.94	834.40	835.96	829.81
Dec	819.64	821.50	823.21	823.96	824.67	825.50	826.22	827.23	828.60	830.99	832.55	825.93