NEHM Water Temperature(degrees Celsius)

Percentile Classes

Download CSV

Week of the year	Lowest	10th	25th	50th	75th	90th	Highest	Avg
01	11.2	12.0	13.1	13.8	14.5	15.3	17.3	15.1
02	10.1	10.6	11.0	13.4	14.7	15.6	17.2	15.3
03	7.0	8.6	10.5	12.4	13.2	14.0	15.3	12.9
04	6.8	8.8	12.3	14.1	14.9	15.3	15.9	13.2
05	8.8	9.7	12.0	14.2	15.5	16.6	17.9	9.8
06	10.0	11.7	14.3	16.2	17.8	18.7	19.8	12.0
07	13.5	14.5	14.9	16.2	17.7	18.3	19.2	15.6
08	14.3	15.2	15.5	16.4	17.8	19.4	21.4	16.4
09	15.3	16.0	16.6	18.1	20.7	22.2	22.7	18.1
10	16.1	16.8	18.6	20.6	21.9	22.7	23.4	21.7
11	17.6	18.1	18.5	19.2	20.4	21.1	22.3	19.9
12	16.4	17.7	18.7	19.4	19.9	20.3	21.0	19.3
13	18.7	19.6	20.3	20.9	22.2	23.6	25.2	19.7
14	19.2	20.1	21.0	23.0	24.5	25.0	25.7
15	19.2	20.1	20.9	22.1	22.8	23.5	25.2
16	21.7	22.3	22.8	23.4	24.1	25.0	26.1
17	22.2	23.2	23.6	24.1	25.6	26.0	26.8
18	22.4	23.1	24.0	25.9	26.6	27.0	28.1
19	22.3	24.1	24.8	25.8	26.3	26.6	27.5
20	24.6	26.1	26.6	27.1	27.9	28.5	29.1
21	22.8	25.5	27.1	28.1	28.7	29.1	29.9
22	21.8	23.3	26.7	27.9	28.6	29.2	30.7
23	24.8	25.8	28.1	29.2	29.6	30.0	30.7
24	25.8	27.0	28.0	29.4	30.1	30.5	31.8
25	26.3	27.1	28.1	29.6	30.4	30.8	31.7
26	24.9	28.5	29.5	29.8	30.2	30.6	32.3
27	26.0	29.5	29.9	30.2	30.6	30.8	32.1
28	25.3	29.4	29.8	30.2	30.6	30.9	31.7
29	28.9	29.4	29.8	30.3	30.8	31.2	32.1
30	28.9	29.8	30.1	30.4	31.0	31.6	32.8
31	25.6	27.0	29.4	30.1	30.9	31.4	32.4
32	27.9	28.8	29.4	30.1	31.0	31.4	32.4
33	26.8	28.3	29.0	29.4	30.4	31.7	32.8
34	26.5	27.2	28.3	29.2	30.1	31.0	32.2
35	26.3	27.0	27.7	28.7	29.5	30.5	31.5
36	24.6	25.6	26.5	27.7	28.4	28.8	29.9
37	24.8	25.3	25.7	26.8	28.2	28.8	29.6
38	25.5	26.3	26.6	27.2	27.8	28.3	29.2
39	21.4	24.2	25.7	26.5	27.2	27.8	28.8
40	21.2	21.7	22.8	25.3	25.8	26.2	27.7
41	19.4	21.2	22.6	23.0	23.6	24.2	25.1
42	19.3	20.3	20.8	21.5	22.4	22.8	24.0
43	18.6	20.0	21.3	22.1	22.7	23.1	24.4
44	17.9	18.7	19.6	22.2	23.6	24.4	25.3
45	16.0	16.8	18.4	20.6	23.0	24.3	25.0
46	16.6	17.6	18.4	19.2	20.1	20.9	22.1
47	16.4	17.2	17.6	18.6	19.7	20.1	20.7
48	13.0	13.8	14.8	17.1	17.8	18.4	19.1
49	12.6	13.5	14.0	14.9	16.0	16.5	18.1
50	12.6	13.2	14.2	15.1	16.6	17.7	18.6
51	11.6	12.4	14.0	14.4	15.1	15.8	17.1
52	9.1	9.8	10.8	14.4	15.4	16.5	17.3

NEHM Salinity(ppt)

Percentile Classes

Download CSV

Week of the year	Lowest	10th	25th	50th	75th	90th	Highest	Avg
01	0.3	0.5	8.7	17.1	21.2	24.1	29.1	21.2
02	0.2	0.3	5.1	16.4	20.9	23.8	27.4	19.9
03	0.2	0.3	0.4	14.2	21.1	24.4	27.4	20.7
04	0.2	0.3	0.5	10.8	21.1	24.4	29.1	21.4
05	0.3	0.7	4.1	15.4	21.7	25.3	28.8	22.5
06	0.5	2.0	4.6	14.7	22.2	25.2	28.9	23.2
07	0.9	2.0	4.6	12.3	20.9	25.5	29.6	23.8
08	0.8	1.7	4.5	13.3	21.6	25.2	29.6	23.2
09	0.7	1.5	4.0	14.0	22.3	26.5	30.6	25.0
10	0.1	0.2	0.9	14.0	24.1	26.8	30.5	23.1
11	0.1	0.2	0.5	12.8	23.3	26.5	30.2	24.0
12	0.2	0.5	3.0	15.1	24.2	27.9	33.1	25.9
13	0.3	0.5	1.4	7.5	21.2	25.9	32.9	28.1
14	0.1	0.6	2.1	7.3	17.2	23.3	28.4
15	0.1	0.1	0.2	0.8	7.1	13.2	19.1
16	0.2	0.4	1.4	6.8	13.5	20.2	29.8
17	0.3	2.1	6.0	14.9	23.5	26.8	29.8
18	0.9	3.3	8.4	16.8	22.3	25.5	31.0
19	2.9	10.7	14.2	19.5	24.0	27.8	32.2
20	8.1	12.0	15.1	19.7	24.6	29.0	32.1
21	7.7	12.2	15.5	19.7	23.5	25.3	31.2
22	8.3	13.8	16.9	20.1	22.9	25.1	28.7
23	11.2	15.7	19.3	22.4	25.0	27.1	30.0
24	8.2	13.4	16.6	20.5	24.8	29.3	33.8
25	0.0	12.7	16.4	20.7	24.9	27.5	31.8
26	0.1	12.3	15.9	20.6	25.1	27.6	31.4
27	0.0	13.1	15.5	18.7	21.5	23.7	30.0
28	0.0	11.2	13.3	16.2	19.6	22.1	26.4
29	2.1	6.1	9.0	12.6	16.6	19.9	27.6
30	0.0	2.1	4.4	9.3	14.2	17.6	22.5
31	0.1	0.2	2.9	9.2	14.3	18.5	25.9
32	0.1	0.1	1.8	7.8	12.3	15.2	22.0
33	0.2	0.5	4.2	9.9	14.9	18.3	25.1
34	0.2	0.2	0.3	4.5	12.0	16.5	23.5
35	0.2	0.4	2.0	9.8	16.1	21.8	29.2
36	0.1	0.1	0.3	14.0	19.3	23.0	28.5
37	0.1	0.1	0.1	12.4	17.8	22.0	27.2
38	0.1	0.2	0.4	13.5	18.7	22.8	27.3
39	0.2	0.4	4.0	18.0	23.6	26.1	29.9
40	0.8	5.0	10.3	17.4	22.4	25.5	29.4
41	0.4	1.4	8.7	14.5	18.3	21.2	25.9
42	1.1	3.5	7.6	11.9	15.8	18.3	21.8
43	1.2	5.4	9.5	13.6	17.7	20.5	24.2
44	3.7	10.6	13.6	17.7	21.4	24.2	29.1
45	6.5	10.9	14.0	17.6	21.4	26.4	32.4
46	5.1	9.9	13.5	17.3	21.9	25.2	30.0
47	4.5	8.0	13.5	17.6	21.5	23.7	26.4
48	6.5	10.5	14.1	17.8	21.4	24.7	29.8
49	2.1	5.3	8.7	14.0	18.7	22.4	28.0
50	1.3	6.4	12.7	16.5	20.1	22.4	27.3
51	0.1	0.3	15.9	19.7	22.7	25.4	31.5
52	0.2	0.3	0.4	17.4	21.9	24.3	27.2

NEHM Conductivity(mS/cm)

Percentile Classes

Download CSV

Week of the year	Lowest	10th	25th	50th	75th	90th	Highest	Avg
01	0.6	1.1	14.8	27.8	33.8	37.9	44.9	33.7
02	0.4	0.6	9.0	26.7	33.4	37.5	42.5	31.8
03	0.4	0.6	0.9	23.5	33.6	38.3	42.5	33.0
04	0.3	0.6	0.9	18.1	33.5	38.4	45.0	34.1
05	0.6	1.5	7.4	25.2	34.6	39.7	44.5	35.8
06	0.9	3.8	8.2	24.1	35.2	39.5	44.7	36.6
07	1.7	3.8	8.3	20.4	33.3	39.8	45.7	37.4
08	1.5	3.1	8.0	22.0	34.3	39.4	45.6	36.5
09	1.4	2.8	7.2	23.1	35.4	41.3	47.0	39.1
10	0.2	0.5	1.7	23.0	37.9	41.7	46.9	36.5
11	0.2	0.4	0.9	21.2	36.7	41.3	46.4	37.7
12	0.4	1.1	5.5	24.7	38.0	43.2	50.4	40.4
13	0.6	1.0	2.6	13.0	33.7	40.5	50.2	43.5
14	0.1	1.2	3.9	12.7	27.9	36.8	44.0
15	0.1	0.2	0.4	1.6	12.5	22.0	30.8
16	0.4	0.8	2.7	12.0	22.4	32.4	45.9
17	0.6	4.0	10.7	24.6	37.0	41.8	45.9
18	1.8	6.1	14.5	27.5	35.4	40.0	47.6
19	5.4	18.1	23.4	31.4	37.8	43.2	49.3
20	14.0	20.2	24.9	31.8	38.8	44.9	49.2
21	13.4	20.5	25.4	31.7	37.1	39.8	48.0
22	14.4	22.9	27.6	32.2	36.4	39.5	44.6
23	19.0	25.9	31.1	35.6	39.4	42.3	46.4
24	14.2	22.4	27.2	32.9	39.1	45.5	51.7
25	0.0	21.3	26.9	33.3	39.2	42.9	48.8
26	0.1	20.6	26.1	33.2	39.5	43.1	48.4
27	0.0	22.0	25.5	30.3	34.4	37.6	46.4
28	0.0	18.9	22.3	26.6	31.7	35.3	41.4
29	4.0	10.8	15.6	21.2	27.2	32.2	43.1
30	0.0	3.9	8.0	16.1	23.6	28.8	35.9
31	0.2	0.4	5.4	15.9	23.8	30.1	40.7
32	0.2	0.3	3.5	13.6	20.7	25.1	35.1
33	0.5	1.0	7.6	17.0	24.6	29.8	39.6
34	0.3	0.5	0.7	8.2	20.3	27.1	37.3
35	0.5	0.8	3.8	16.8	26.5	34.8	45.3
36	0.1	0.2	0.6	23.2	31.1	36.4	44.4
37	0.1	0.2	0.2	20.8	29.0	35.2	42.4
38	0.2	0.3	0.7	22.5	30.3	36.1	42.7
39	0.4	0.8	7.3	29.1	37.3	40.9	46.2
40	1.7	8.9	17.5	28.3	35.6	39.9	45.4
41	0.7	2.6	14.9	23.9	29.5	33.8	40.5
42	2.2	6.4	13.2	19.9	25.8	29.5	34.6
43	2.3	9.5	16.2	22.4	28.7	32.8	38.1
44	6.8	17.9	22.5	28.6	34.1	38.1	45.0
45	11.4	18.3	23.0	28.5	34.0	41.2	49.4
46	9.1	16.8	22.3	28.0	34.8	39.5	46.1
47	8.1	13.8	22.4	28.4	34.2	37.3	41.2
48	11.4	17.7	23.2	28.8	34.1	38.7	45.8
49	3.9	9.3	14.9	23.0	30.1	35.5	43.3
50	2.5	11.1	21.1	26.8	32.2	35.4	42.4
51	0.3	0.6	25.9	31.5	35.9	39.8	48.2
52	0.3	0.6	0.9	28.2	34.8	38.3	42.5

NEHM Dissolved Oxygen(percent)

Percentile Classes

Download CSV

Week of the year	Lowest	10th	25th	50th	75th	90th	Highest	Avg
01	74.9	80.3	83.2	85.9	89.4	92.3	99.7	85.8
02	73.4	76.3	79.5	86.8	89.2	91.6	97.1	85.5
03	75.0	79.9	82.7	85.6	90.2	92.5	97.0	87.6
04	77.8	80.9	82.9	85.8	89.6	91.9	96.6	89.3
05	77.3	81.9	83.5	88.2	91.7	93.7	100.8	92.8
06	76.1	80.1	82.1	85.9	93.4	97.8	102.7	97.0
07	71.4	78.2	79.5	83.6	88.6	92.0	101.3	90.8
08	72.7	81.3	83.1	85.1	88.1	91.1	96.9	89.7
09	70.5	77.8	80.4	84.8	87.1	89.4	94.5	87.9
10	56.4	68.6	71.8	78.3	82.4	84.9	91.6	81.4
11	61.9	68.8	70.5	73.9	79.8	82.6	88.8	79.8
12	63.4	70.2	72.8	79.4	83.7	86.1	91.8	81.8
13	61.1	67.3	69.2	71.9	80.8	83.8	89.0	81.1
14	59.2	68.4	70.4	74.1	78.7	82.6	88.5
15	55.9	59.9	63.7	67.9	73.6	80.7	94.9
16	60.5	64.2	66.6	70.7	80.0	84.9	94.4
17	59.2	69.4	71.6	74.8	78.1	80.1	88.4
18	62.8	67.8	70.5	75.2	80.2	84.6	93.0
19	54.3	68.3	70.4	73.9	78.2	82.2	90.7
20	60.8	65.9	67.9	71.2	78.6	83.1	91.1
21	62.4	66.4	68.4	71.9	74.9	77.7	86.9
22	58.7	69.5	71.8	74.2	76.7	79.1	88.6
23	51.0	67.4	69.7	73.4	78.3	84.2	99.8
24	47.5	59.3	63.5	68.4	75.8	87.0	101.7
25	54.7	64.0	66.5	70.6	75.6	80.7	98.5
26	51.8	65.0	67.9	72.3	77.4	83.3	97.1
27	45.2	57.2	60.2	64.5	70.4	74.1	98.8
28	48.6	53.1	57.2	66.3	70.7	73.9	99.7
29	46.4	54.6	57.4	61.2	66.6	71.4	84.3
30	43.3	51.1	54.4	58.4	64.6	68.2	98.4
31	26.1	44.2	49.3	54.1	59.2	64.7	74.2
32	20.2	27.5	42.9	54.0	58.2	63.5	74.9
33	33.9	38.0	49.5	54.3	58.9	63.9	76.7
34	30.9	36.2	46.0	50.2	53.4	61.2	77.5
35	34.6	42.2	50.8	55.3	60.7	64.4	76.9
36	33.4	41.7	46.0	53.8	58.8	62.5	74.4
37	31.2	40.4	43.5	50.3	57.8	59.8	70.5
38	40.3	43.7	50.9	56.2	60.2	65.0	80.9
39	37.7	48.8	52.8	57.7	64.5	71.6	87.9
40	40.1	51.2	55.9	61.2	65.7	70.5	83.9
41	40.8	49.6	56.9	60.8	64.3	67.0	80.5
42	52.8	61.5	65.2	68.0	70.3	73.4	80.0
43	60.0	66.0	67.3	69.2	72.0	74.1	81.5
44	62.1	66.1	68.4	71.6	74.9	77.0	83.6
45	40.0	62.4	68.4	73.5	76.5	83.2	92.6
46	28.4	56.5	66.4	73.9	79.6	86.5	94.9
47	67.2	70.9	72.5	77.2	82.2	84.7	92.0
48	72.3	76.0	78.3	80.2	82.1	84.2	88.6
49	72.4	74.8	76.0	77.8	83.4	86.0	94.8
50	74.2	78.7	80.3	83.6	86.0	87.9	93.8
51	64.9	70.7	83.7	85.5	87.0	88.7	93.8
52	67.6	72.0	73.8	84.8	87.7	90.0	93.9

NEHM Dissolved Oxygen(mg/L)

Percentile Classes

Download CSV

Week of the year	Lowest	10th	25th	50th	75th	90th	Highest	Avg
01	6.8	7.6	7.8	8.3	8.4	8.6	8.8	7.6
02	6.6	7.5	7.9	8.2	8.6	9.0	9.3	7.6
03	7.1	8.0	8.3	8.6	9.1	9.5	9.7	8.1
04	6.8	7.9	8.1	8.3	8.9	9.5	9.6	8.2
05	6.4	7.7	7.9	8.3	9.0	9.2	9.6	9.1
06	6.3	7.2	7.5	7.9	8.3	9.2	9.6	9.1
07	5.8	7.1	7.3	7.6	7.9	8.2	9.1	7.8
08	5.8	7.0	7.4	7.8	8.0	8.2	8.4	7.6
09	5.5	6.5	6.8	7.2	7.7	8.3	8.7	7.2
10	4.4	5.8	6.1	6.4	6.6	7.7	8.3	6.3
11	4.6	6.0	6.2	6.4	6.6	6.8	7.5	6.3
12	4.8	6.3	6.4	6.6	6.9	7.1	7.6	6.5
13	4.6	5.7	5.9	6.2	6.4	6.6	7.2	6.3
14	4.6	5.6	5.8	6.1	6.4	6.6	6.9
15	5.1	5.4	5.6	5.8	6.2	6.5	7.4
16	4.7	5.4	5.6	5.8	6.2	6.5	7.4
17	4.4	5.4	5.6	5.8	5.9	6.0	6.4
18	4.5	5.2	5.4	5.6	5.9	6.3	7.1
19	4.2	5.0	5.2	5.4	5.8	6.0	6.6
20	4.2	4.8	4.9	5.1	5.5	5.8	6.5
21	4.3	4.8	4.9	5.1	5.3	5.5	5.8
22	4.3	4.9	5.1	5.3	5.5	5.7	6.1
23	3.5	4.7	4.9	5.1	5.4	5.6	6.4
24	3.3	4.2	4.3	4.8	5.2	5.7	6.6
25	3.8	4.3	4.5	4.8	5.3	5.7	7.9
26	3.5	4.4	4.6	4.9	5.4	5.9	7.2
27	3.3	3.9	4.1	4.5	4.8	5.1	7.8
28	3.3	3.7	4.0	4.6	4.9	5.1	7.9
29	3.1	3.9	4.1	4.4	4.6	4.9	5.7
30	3.1	3.7	4.0	4.2	4.5	4.7	7.6
31	2.1	3.3	3.6	3.8	4.2	4.6	5.6
32	1.5	2.1	3.2	3.8	4.1	4.4	4.9
33	2.5	2.9	3.6	3.9	4.2	4.4	5.0
34	2.4	2.8	3.4	3.8	4.0	4.2	5.2
35	2.3	3.2	3.8	4.1	4.4	4.6	5.4
36	2.7	3.3	3.7	4.1	4.3	4.5	5.2
37	2.6	3.2	3.5	3.9	4.4	4.5	5.0
38	3.0	3.5	3.9	4.2	4.5	4.9	6.0
39	2.8	3.6	3.9	4.2	4.5	5.0	5.5
40	3.5	4.1	4.3	4.7	5.0	5.2	6.1
41	3.6	4.1	4.5	4.8	5.0	5.3	6.8
42	4.1	5.0	5.3	5.6	5.9	6.3	6.5
43	5.0	5.4	5.5	5.6	5.8	6.0	6.3
44	4.6	5.1	5.3	5.6	6.1	6.5	6.8
45	3.2	4.9	5.3	6.0	6.4	7.0	7.4
46	2.3	4.7	5.5	6.0	6.9	7.3	7.8
47	5.5	5.7	6.0	6.8	6.9	7.0	7.3
48	5.9	6.5	6.7	7.0	7.3	7.8	8.2
49	6.0	6.7	7.0	7.2	8.0	8.1	8.3
50	6.4	6.8	7.4	7.7	7.9	8.1	8.4
51	6.6	7.2	7.4	7.7	7.9	8.0	8.3
52	6.8	7.3	7.4	7.6	8.5	8.8	9.0

NEHM pH

Percentile Classes

Download CSV

Week of the year	Lowest	10th	25th	50th	75th	90th	Highest	Avg
01	6.4	6.8	7.2	7.4	7.5	7.5	7.7	7.4
02	6.3	6.4	7.1	7.4	7.5	7.6	7.7	7.4
03	6.3	6.5	6.7	7.4	7.5	7.6	7.7	7.5
04	6.5	6.6	6.7	7.2	7.5	7.6	7.8	7.6
05	6.7	6.8	7.0	7.4	7.6	7.7	7.8	7.7
06	6.7	6.9	7.0	7.3	7.5	7.7	7.8	7.7
07	6.9	7.0	7.1	7.3	7.5	7.6	7.7	7.5
08	6.8	7.0	7.1	7.3	7.5	7.6	7.7	7.6
09	6.8	6.9	7.1	7.3	7.5	7.5	7.6	7.5
10	6.4	6.6	6.8	7.3	7.4	7.5	7.6	7.4
11	6.5	6.6	6.7	7.1	7.3	7.5	7.6	7.4
12	6.6	6.7	6.9	7.2	7.4	7.5	7.7	7.4
13	6.7	6.8	6.8	7.0	7.3	7.4	7.5	7.4
14	6.2	6.8	6.9	7.1	7.3	7.4	7.5
15	6.0	6.4	6.6	6.9	7.2	7.4	7.7
16	6.4	6.5	6.8	7.1	7.2	7.3	7.5
17	6.5	6.7	6.9	7.1	7.2	7.3	7.4
18	6.6	6.8	7.0	7.2	7.3	7.4	7.6
19	6.9	7.0	7.1	7.2	7.3	7.4	7.5
20	6.8	6.9	7.0	7.3	7.4	7.4	7.6
21	6.8	6.9	7.1	7.2	7.3	7.3	7.5
22	6.8	7.0	7.1	7.2	7.3	7.3	7.4
23	6.9	7.0	7.1	7.2	7.3	7.4	7.6
24	6.8	7.0	7.0	7.1	7.3	7.5	7.6
25	6.8	7.0	7.1	7.2	7.2	7.3	7.4
26	6.8	7.0	7.1	7.2	7.2	7.3	7.5
27	6.6	7.0	7.0	7.1	7.2	7.2	7.7
28	6.8	7.0	7.0	7.1	7.2	7.2	7.6
29	6.7	6.8	6.9	7.0	7.1	7.2	7.4
30	6.7	6.7	6.8	6.9	7.1	7.2	7.8
31	6.1	6.4	6.8	6.9	7.1	7.1	7.4
32	6.0	6.1	6.6	6.9	7.0	7.1	7.4
33	6.3	6.4	6.7	6.9	7.1	7.2	7.4
34	6.0	6.3	6.5	6.7	6.9	7.1	7.3
35	6.3	6.5	6.6	6.8	7.0	7.2	7.4
36	5.8	6.1	6.4	6.7	7.0	7.1	7.3
37	5.8	5.9	6.2	6.7	7.0	7.1	7.3
38	5.8	6.0	6.4	6.8	7.0	7.2	7.4
39	6.1	6.3	6.7	7.0	7.2	7.3	7.8
40	6.4	6.6	6.7	6.9	7.1	7.2	7.6
41	6.3	6.5	6.7	6.9	7.0	7.1	7.3
42	6.5	6.8	6.9	7.0	7.1	7.1	7.3
43	6.6	6.9	7.0	7.1	7.2	7.2	7.4
44	6.8	7.0	7.0	7.1	7.2	7.3	7.5
45	6.5	6.9	7.0	7.1	7.3	7.4	7.8
46	6.4	6.7	6.9	7.2	7.3	7.4	7.7
47	6.9	7.1	7.2	7.3	7.4	7.4	7.6
48	6.9	7.1	7.2	7.3	7.4	7.5	7.6
49	6.9	7.0	7.1	7.2	7.4	7.5	7.8
50	6.8	7.1	7.2	7.3	7.4	7.5	7.7
51	6.3	6.7	7.3	7.4	7.5	7.5	7.7
52	6.3	6.5	6.6	7.4	7.5	7.5	7.6

NEHM Turbidity(ntu)

Percentile Classes

Download CSV

Week of the year	Lowest	10th	25th	50th	75th	90th	Highest	Max
01	3.0	6.0	8.0	11.0	14.0	19.0	65.0	22.0
02	3.0	5.0	7.0	10.0	14.0	19.0	160.0	29.0
03	3.0	6.0	8.0	12.0	15.0	20.0	56.0	26.0
04	3.0	7.0	9.0	12.0	18.0	24.0	76.0	33.0
05	3.0	5.0	6.0	9.0	13.0	17.0	81.0	33.0
06	3.0	4.0	5.0	7.0	14.0	19.0	51.0	10.0
07	2.0	6.0	8.0	10.0	15.0	20.0	58.0	21.0
08	2.0	7.0	10.0	14.0	20.0	27.0	79.0	22.0
09	2.0	6.0	10.0	14.0	23.0	30.0	83.0	32.0
10	2.0	5.0	7.0	13.0	22.0	29.0	76.0	23.0
11	1.0	3.0	7.0	13.0	19.0	25.0	131.0	30.0
12	1.0	5.0	8.0	12.0	18.0	27.5	74.0	26.0
13	1.0	3.0	6.0	16.0	26.0	37.0	109.0	20.0
14	1.0	5.0	8.0	19.0	30.0	45.0	126.0
15	1.0	4.0	9.0	13.0	19.0	26.0	122.0
16	1.0	6.0	9.0	14.0	21.0	30.0	87.0
17	1.0	3.0	6.0	12.0	18.0	25.0	77.0
18	1.0	6.0	8.0	11.0	16.0	21.0	74.0
19	2.0	6.0	7.0	10.0	12.0	15.0	47.0
20	3.0	7.0	9.0	12.0	15.0	19.0	80.0
21	3.0	7.0	8.0	11.0	16.0	20.0	327.0
22	3.0	6.0	8.0	10.0	13.0	17.0	132.0
23	2.0	5.0	6.0	8.0	13.0	18.0	90.0
24	2.0	6.0	8.0	12.0	17.0	26.0	64.0
25	4.0	8.0	11.0	15.0	21.0	29.0	299.0
26	5.0	9.0	11.0	15.0	20.0	25.0	266.0
27	1.0	9.0	11.0	14.0	19.0	26.0	116.0
28	2.0	8.0	11.0	14.0	20.0	26.0	497.0
29	5.0	11.0	14.0	19.0	25.0	32.6	202.0
30	5.0	12.0	16.0	21.0	29.0	41.0	251.0
31	5.0	12.0	15.0	20.0	27.0	38.0	284.0
32	4.0	8.0	11.0	17.0	23.0	30.0	91.0
33	4.0	10.0	13.0	18.0	27.0	36.0	160.0
34	5.0	10.0	12.0	16.0	20.0	27.0	110.0
35	4.0	10.0	13.0	17.0	21.0	28.0	1007.0
36	3.0	8.0	10.0	12.0	15.0	19.0	61.0
37	2.0	7.0	9.0	11.0	14.0	17.0	174.0
38	2.0	6.0	9.0	11.0	14.0	18.0	85.0
39	2.0	5.0	7.0	11.0	15.0	21.0	107.0
40	2.0	5.0	7.0	9.0	12.0	15.0	36.0
41	2.0	5.0	7.0	9.0	12.0	17.0	65.0
42	2.0	5.0	7.0	9.0	12.0	14.0	45.0
43	2.0	7.0	8.0	11.0	14.0	17.0	317.0
44	3.0	5.0	7.0	9.0	12.0	15.0	99.0
45	2.0	5.0	6.0	9.0	13.0	19.0	47.0
46	2.0	4.0	6.0	9.0	12.0	15.0	32.0
47	3.0	6.0	8.0	10.0	13.0	16.0	61.0
48	3.0	6.0	7.0	9.0	12.0	14.0	23.0
49	4.0	7.0	8.0	10.0	13.0	16.0	35.0
50	3.0	5.0	7.0	10.0	14.0	18.0	59.0
51	3.0	5.0	6.0	8.0	10.0	12.0	34.0
52	3.0	6.0	8.0	10.0	13.0	15.0	37.0

NEHM Depth(m)

Percentile Classes

Download CSV

Week of the year	Lowest	10th	25th	50th	75th	90th	Highest	Avg
01	-0.0	0.7	0.9	1.4	1.7	1.9	2.2	1.4
02	0.3	0.8	1.0	1.4	1.8	1.9	2.2	1.3
03	0.2	0.8	1.1	1.5	1.8	1.9	2.2	1.3
04	0.3	0.7	1.0	1.4	1.7	1.9	2.1	1.4
05	0.3	0.8	1.1	1.5	1.8	2.0	2.3	1.4
06	0.3	0.8	1.0	1.4	1.8	1.9	2.2	1.5
07	0.1	0.8	1.0	1.4	1.7	1.9	2.2	1.5
08	0.2	0.7	1.0	1.4	1.8	1.9	2.1	1.4
09	0.2	0.7	1.0	1.4	1.7	2.0	2.2	1.5
10	0.4	0.8	1.1	1.5	1.8	2.0	2.2	1.4
11	0.3	0.8	1.1	1.5	1.8	1.9	2.2	1.4
12	0.4	0.9	1.2	1.6	1.9	2.1	2.3	1.5
13	0.3	0.7	1.0	1.4	1.8	2.0	2.3	1.7
14	0.3	0.7	1.0	1.4	1.8	2.0	2.2
15	0.4	0.8	1.0	1.4	1.8	1.9	2.1
16	0.6	0.8	1.1	1.5	1.9	2.0	2.3
17	0.4	0.9	1.1	1.5	1.8	2.0	2.3
18	0.3	0.7	1.0	1.4	1.7	1.9	2.1
19	0.3	0.9	1.2	1.6	1.9	2.0	2.3
20	0.5	0.9	1.2	1.6	1.9	2.0	2.2
21	0.5	0.9	1.2	1.6	1.9	2.0	2.2
22	0.5	0.9	1.2	1.6	1.8	2.0	2.2
23	0.4	0.9	1.2	1.6	1.9	2.0	2.3
24	0.4	0.9	1.2	1.6	1.9	2.0	2.2
25	-0.0	0.6	1.0	1.4	1.8	2.0	2.2
26	0.0	0.4	0.8	1.2	1.8	2.0	2.2
27	0.0	0.5	0.8	1.2	1.6	1.9	2.1
28	-0.0	0.4	0.8	1.1	1.6	1.9	2.2
29	0.0	0.5	0.9	1.3	1.8	2.0	2.3
30	0.0	0.5	0.9	1.2	1.7	2.0	2.2
31	0.0	0.6	1.0	1.3	1.8	2.0	2.3
32	0.0	0.7	1.0	1.4	1.8	2.0	2.2
33	0.5	0.9	1.2	1.6	1.9	2.1	2.4
34	0.5	0.9	1.2	1.6	1.9	2.1	2.3
35	0.4	1.0	1.4	1.8	2.0	2.1	2.3
36	0.4	1.1	1.5	1.8	2.0	2.2	2.4
37	0.7	1.2	1.5	1.8	2.0	2.2	2.4
38	0.8	1.2	1.4	1.7	1.9	2.1	2.3
39	0.7	1.3	1.6	1.9	2.1	2.2	2.5
40	0.9	1.5	1.7	2.0	2.2	2.3	2.6
41	0.8	1.2	1.5	1.8	2.0	2.1	2.4
42	0.6	1.2	1.4	1.8	2.0	2.1	2.4
43	0.7	1.1	1.4	1.7	2.0	2.1	2.2
44	0.6	1.1	1.4	1.7	1.9	2.1	2.3
45	0.3	0.8	1.2	1.5	1.9	2.1	2.4
46	0.5	1.0	1.2	1.6	1.8	2.0	2.3
47	0.2	0.9	1.1	1.5	1.8	2.0	2.2
48	0.5	0.9	1.2	1.6	1.8	2.0	2.3
49	0.4	0.8	1.1	1.4	1.8	2.0	2.4
50	0.1	0.8	1.1	1.5	1.8	2.0	2.4
51	0.3	1.0	1.3	1.6	1.9	2.0	2.3
52	0.2	0.7	1.0	1.4	1.7	1.9	2.2