August 2020 CURRENT WATER RESOURCES CONDITIONS IN RHODE ISLAND

CURRENT WATER RESOURCES CONDITIONS IN RHODE ISLAND

U.S. Department of the Interior Seal

August 2020

USGS New England Water Science Center, Massachusetts-Rhode Island Office

PROVISIONAL DATA: All data presented in this report are provisional and subject to revision.

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Monthly Surface Water Conditions Map

Monthly Groundwater Conditions Map

SURFACE WATER
Station Number	Station Name	Drainage Area (mi²)	Years Of Record	Normal Range (cfs)	Monthly Mean (cfs)	Monthly Mean (in)	Percentile Class
01111500	Branch River at Forestdale, RI	91.2	80	27 - 66.4	16.8	0.21	Much below normal
01114000	Moshassuck River at Providence, RI	23.1	57	11.6 - 23.2	7.7	0.38	Much below normal
01114500	Woonasquatucket River at Centerdale, RI	38.3	79	17.7 - 33.3	5.32	0.16	Low
01117468	Beaver River near Usquepaug, RI	8.87	45	4.11 - 10.3	2.35	0.31	Much below normal
01117500	Pawcatuck River at Wood River Junction, RI	100	79	48.5 - 99.3	23.3	0.27	Much below normal
01117800	Wood River near Arcadia, RI	35.2	56	15.8 - 38.4	8.14	0.27	Low
01118000	Wood River at Hope Valley, RI	72.4	79	36.5 - 77.8	22.2	0.35	Much below normal
01118500	Pawcatuck River at Westerly, RI	295	79	134 - 286	65.8	0.26	Much below normal

GROUNDWATER
Station Number	Station Name	Years Of Record	Normal Range (ft)	Monthly Median (ft)	Departure From Monthly Median (ft)	Percentile Class
412154071462901	WEW 522 (Westerly, RI)	51¹	13.80 - 12.70	14.05	0.65	Below normal
412214071394001	CHW 18 (Charlestown, RI)	72¹	19.10 - 18.20	19.83	1.03	Much below normal
412844071422802	RIW 600 (Richmond, RI)	42¹	34.60 - 33.90	34.11	-0.19	Normal
412918071321001	SNW 6 (South Kingstown, RI)	65¹	13.10 - 12.30	12.83	0.03	Normal
413358071433801	EXW 475 (Exeter, RI)	39¹	15.80 - 14.70	16.16	0.66	Below normal
413907071465001	WGW 181 (West Greenwich, RI)	52¹	16.80 - 16.00	16.71	0.41	Normal
414022071332801	COW 411 (Coventry, RI)	57¹	22.50 - 21.40	22.77	0.97	Below normal
415626071254601	CUW 265 (Cumberland, RI)	74¹	15.20 - 13.70	14.25	-0.35	Normal
415710071402201	BUW 187 (Burrillville, RI)	51¹	16.90 - 15.80	16.99	0.69	Below normal
415948071325001	NSW 21 (North Smithfield, RI)	72¹	10.40 - 9.44	10.08	0.15	Normal
¹ Daily Value Records and Field Readings ² Daily Value Records Only

Flow or Water Level	Percentile Range	Explanation
Low	0^th	The monthly mean streamflow or median water level during this month is the lowest ever recorded during the period of record for this site.
Much below normal	0^th to 10^th	The monthly mean streamflow or median water level during this month is less than the 10^th percentile when compared to all of the months during the period of record for this site.
Below normal	10^th to 25^th	The monthly mean streamflow or median water level during this month is between the 10^th and 25^th percentiles when compared to all of the months during the period of record for this site.
Normal	25^th to 75^th	The monthly mean streamflow or median water level during this month is between the 25^th and 75^th percentiles when compared to all of the months during the period of record for this site.
Above normal	75^th to 90^th	The monthly mean streamflow or median water level during this month is between the 75^th and 90^th percentiles when compared to all of the months during the period of record for this site.
Much above normal	90^th to 100^th	The monthly mean streamflow or median water level during this month is greater than the 90^th percentile when compared to all of the months during the period of record for this site.
High	100^th	The monthly mean streamflow or median water level during this month is the highest ever recorded during the period of record for this site.