Heat Advisory
2026-07-16T20:00:00-04:00

* WHAT...Heat index values around 105. * WHERE...Washington DC, and portions of central, northeast, northern, and southern Maryland, and northern Virginia. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Little Patuxent River At Savage, Md Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 151.1
01-02 253.25
01-03 113.28
01-04 130.01
01-05 130.77
01-06 102.85
01-07 162.45
01-08 97.32
01-09 91.39
01-10 631.67
01-11 153.25
01-12 184.6
01-13 169.95
01-14 114.22
01-15 113.85
01-16 107.56
01-17 138.96
01-18 107.66
01-19 101.18
01-20 169.43
01-21 118.03
01-22 85.51
01-23 85.45
01-24 103.97
01-25 173.79
01-26 167.51
01-27 114.74
01-28 114.28
01-29 138.15
01-30 104.36
01-31 299.45
02-01 133.9
02-02 123.33
02-03 115.73
02-04 245.85
02-05 197.55
02-06 159.78
02-07 133.38
02-08 144.51
02-09 107.07
02-10 104.24
02-11 117.52
02-12 164.39
02-13 189.27
02-14 152.2
02-15 125.74
02-16 165.82
02-17 219.68
02-18 151.03
02-19 124.79
02-20 140.37
02-21 143.73
02-22 201.24
02-23 171.85
02-24 187.64
02-25 345.38
02-26 134.3
02-27 125.93
02-28 120.96
02-29 124.58
03-01 295.74
03-02 173.63
03-03 155.4
03-04 224.01
03-05 144.85
03-06 155.83
03-07 141.71
03-08 119.06
03-09 134.93
03-10 264.23
03-11 237.14
03-12 155.0
03-13 164.32
03-14 121.34
03-15 131.98
03-16 108.09
03-17 160.17
03-18 107.37
03-19 124.7
03-20 126.84
03-21 118.44
03-22 401.4
03-23 115.07
03-24 124.69
03-25 159.23
03-26 127.96
03-27 107.8
03-28 118.62
03-29 128.15
03-30 147.71
03-31 242.02
04-01 177.69
04-02 145.87
04-03 144.47
04-04 142.05
04-05 114.49
04-06 137.11
04-07 173.24
04-08 163.41
04-09 111.35
04-10 102.63
04-11 96.85
04-12 102.94
04-13 100.1
04-14 146.52
04-15 106.76
04-16 175.07
04-17 117.23
04-18 93.78
04-19 127.42
04-20 127.07
04-21 109.78
04-22 94.75
04-23 129.64
04-24 95.94
04-25 95.09
04-26 132.24
04-27 115.82
04-28 92.41
04-29 139.4
04-30 89.85
05-01 937.49
05-02 132.92
05-03 130.44
05-04 101.67
05-05 104.63
05-06 135.9
05-07 192.43
05-08 151.67
05-09 103.67
05-10 98.91
05-11 199.59
05-12 182.27
05-13 116.37
05-14 154.56
05-15 107.16
05-16 124.91
05-17 175.7
05-18 123.12
05-19 253.13
05-20 122.46
05-21 104.68
05-22 97.1
05-23 194.35
05-24 158.45
05-25 107.93
05-26 104.93
05-27 87.28
05-28 868.07
05-29 184.14
05-30 160.46
05-31 198.61
06-01 86.69
06-02 268.53
06-03 127.23
06-04 632.89
06-05 109.49
06-06 109.45
06-07 75.44
06-08 111.05
06-09 284.05
06-10 82.93
06-11 477.25
06-12 113.15
06-13 86.21
06-14 125.41
06-15 116.44
06-16 65.48
06-17 77.47
06-18 72.61
06-19 162.29
06-20 153.77
06-21 154.52
06-22 81.09
06-23 175.25
06-24 169.34
06-25 73.73
06-26 106.15
06-27 74.68
06-28 113.59
06-29 68.67
06-30 55.86
07-01 87.61
07-02 129.86
07-03 77.12
07-04 72.93
07-05 108.81
07-06 107.76
07-07 163.07
07-08 89.88
07-09 107.88
07-10 261.99
07-11 63.55
07-12 67.3
07-13 57.16
07-14 81.55
07-15 98.21
07-16 55.88
07-17 66.79
07-18 69.36
07-19 56.36
07-20 64.44
07-21 49.27
07-22 175.73
07-23 90.49
07-24 95.46
07-25 103.79
07-26 184.14
07-27 48.03
07-28 119.9
07-29 197.44
07-30 86.54
07-31 619.52
08-01 78.21
08-02 90.14
08-03 64.66
08-04 103.94
08-05 115.96
08-06 72.23
08-07 90.76
08-08 117.62
08-09 60.11
08-10 69.15
08-11 55.9
08-12 50.26
08-13 168.89
08-14 90.13
08-15 83.84
08-16 152.42
08-17 63.11
08-18 108.92
08-19 123.23
08-20 50.22
08-21 65.21
08-22 160.36
08-23 114.97
08-24 54.03
08-25 50.46
08-26 41.33
08-27 51.27
08-28 152.3
08-29 68.48
08-30 52.8
08-31 38.79
09-01 54.7
09-02 73.97
09-03 61.03
09-04 79.09
09-05 39.92
09-06 65.46
09-07 124.5
09-08 550.21
09-09 150.43
09-10 104.35
09-11 80.69
09-12 90.92
09-13 127.99
09-14 52.33
09-15 43.44
09-16 38.43
09-17 39.16
09-18 120.06
09-19 77.87
09-20 41.82
09-21 37.62
09-22 43.92
09-23 46.5
09-24 106.06
09-25 60.95
09-26 58.49
09-27 115.49
09-28 136.78
09-29 99.38
09-30 200.12
10-01 51.26
10-02 71.34
10-03 106.43
10-04 58.88
10-05 111.34
10-06 48.88
10-07 43.41
10-08 54.04
10-09 43.93
10-10 51.81
10-11 78.72
10-12 226.17
10-13 74.54
10-14 107.08
10-15 71.18
10-16 101.35
10-17 66.94
10-18 45.1
10-19 39.92
10-20 73.92
10-21 68.31
10-22 49.21
10-23 67.41
10-24 45.98
10-25 41.76
10-26 152.79
10-27 58.64
10-28 72.96
10-29 57.41
10-30 991.13
10-31 127.82
11-01 262.95
11-02 76.74
11-03 160.62
11-04 63.67
11-05 49.95
11-06 84.89
11-07 92.41
11-08 95.42
11-09 62.02
11-10 96.82
11-11 69.09
11-12 123.62
11-13 98.51
11-14 84.85
11-15 63.61
11-16 195.91
11-17 103.35
11-18 91.03
11-19 67.51
11-20 64.05
11-21 59.19
11-22 164.73
11-23 168.72
11-24 85.26
11-25 325.85
11-26 76.89
11-27 132.61
11-28 89.71
11-29 68.28
11-30 85.55
12-01 116.8
12-02 108.36
12-03 104.41
12-04 87.86
12-05 75.54
12-06 79.03
12-07 128.06
12-08 271.94
12-09 87.82
12-10 130.49
12-11 134.99
12-12 88.84
12-13 74.46
12-14 74.9
12-15 110.99
12-16 553.02
12-17 228.68
12-18 414.73
12-19 113.9
12-20 89.25
12-21 141.85
12-22 108.92
12-23 240.61
12-24 175.71
12-25 335.09
12-26 254.62
12-27 234.83
12-28 203.67
12-29 147.6
12-30 170.38
12-31 113.13

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index