Table 13: Gulf of Maine Watershed – GRDC Runoff Summary Statistics
Simulated Runoff (GRDC 30 min grid)	minimum	maximum	mean	standard deviation
January	2	126	29	15
February	0	73	0	5
March	0	378	43	103
April	0	419	220	79
May	41	380	92	39
June	22	205	60	25
July	12	134	37	14
August	7	105	26	12
September	4	128	28	14
October	4	132	41	14
November	2	151	51	26
December	1	105	20	13