Overview Realtime Historical Map View
Heat Advisory
2026-07-15T20:00:00-04:00

* WHAT...Heat index values up to 104 degrees expected. * WHERE...Berks, Lehigh, Northampton, Eastern Chester, Upper Bucks, Western Chester, and Western Montgomery Counties. * WHEN...From 10 AM this morning to 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Jordan Creek At Allentown, Pa Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 211.56
01-02 215.35
01-03 187.09
01-04 185.36
01-05 156.23
01-06 152.91
01-07 168.3
01-08 130.04
01-09 125.21
01-10 295.17
01-11 296.44
01-12 179.76
01-13 175.97
01-14 213.41
01-15 150.06
01-16 125.69
01-17 136.91
01-18 122.79
01-19 110.15
01-20 123.54
01-21 139.54
01-22 108.66
01-23 118.01
01-24 139.8
01-25 282.91
01-26 285.1
01-27 220.45
01-28 215.98
01-29 230.57
01-30 159.01
01-31 141.64
02-01 238.85
02-02 148.7
02-03 132.87
02-04 291.47
02-05 205.33
02-06 160.58
02-07 104.6
02-08 130.04
02-09 103.52
02-10 104.09
02-11 97.93
02-12 137.72
02-13 131.65
02-14 109.34
02-15 99.2
02-16 109.03
02-17 256.82
02-18 157.24
02-19 135.42
02-20 129.74
02-21 129.72
02-22 148.37
02-23 167.2
02-24 161.72
02-25 251.24
02-26 209.18
02-27 190.21
02-28 176.74
02-29 227.65
03-01 204.24
03-02 207.44
03-03 231.13
03-04 199.29
03-05 186.25
03-06 285.42
03-07 219.64
03-08 171.75
03-09 147.61
03-10 220.14
03-11 217.67
03-12 242.42
03-13 345.42
03-14 248.31
03-15 249.74
03-16 211.51
03-17 187.45
03-18 188.99
03-19 170.49
03-20 149.78
03-21 144.21
03-22 180.17
03-23 189.71
03-24 204.6
03-25 195.22
03-26 162.34
03-27 147.0
03-28 143.11
03-29 159.35
03-30 144.04
03-31 175.24
04-01 235.71
04-02 196.09
04-03 188.88
04-04 342.65
04-05 207.77
04-06 160.27
04-07 195.37
04-08 254.08
04-09 189.17
04-10 141.29
04-11 119.15
04-12 108.79
04-13 130.24
04-14 248.08
04-15 164.4
04-16 165.72
04-17 166.52
04-18 136.45
04-19 125.8
04-20 126.85
04-21 143.88
04-22 130.39
04-23 120.53
04-24 108.73
04-25 97.54
04-26 97.89
04-27 138.72
04-28 99.26
04-29 89.64
04-30 91.06
05-01 292.65
05-02 240.91
05-03 166.33
05-04 128.64
05-05 119.71
05-06 122.47
05-07 126.47
05-08 181.1
05-09 136.57
05-10 151.35
05-11 118.59
05-12 102.87
05-13 136.21
05-14 173.25
05-15 130.49
05-16 129.66
05-17 148.1
05-18 125.47
05-19 110.64
05-20 149.18
05-21 152.62
05-22 119.32
05-23 138.67
05-24 145.05
05-25 130.44
05-26 110.58
05-27 89.01
05-28 83.48
05-29 89.71
05-30 132.04
05-31 112.09
06-01 105.99
06-02 104.21
06-03 128.29
06-04 105.26
06-05 85.85
06-06 83.44
06-07 76.96
06-08 83.19
06-09 78.73
06-10 74.19
06-11 132.37
06-12 148.23
06-13 136.21
06-14 155.14
06-15 122.74
06-16 100.17
06-17 87.71
06-18 78.1
06-19 101.93
06-20 100.48
06-21 84.69
06-22 78.76
06-23 72.68
06-24 72.35
06-25 100.01
06-26 86.52
06-27 87.77
06-28 94.7
06-29 89.01
06-30 68.71
07-01 93.52
07-02 105.88
07-03 137.26
07-04 88.77
07-05 90.91
07-06 62.49
07-07 59.86
07-08 90.84
07-09 82.5
07-10 169.27
07-11 104.69
07-12 97.37
07-13 67.05
07-14 73.83
07-15 99.24
07-16 87.08
07-17 82.45
07-18 90.74
07-19 77.59
07-20 61.29
07-21 52.95
07-22 53.57
07-23 138.99
07-24 144.96
07-25 234.22
07-26 157.72
07-27 104.9
07-28 84.06
07-29 81.38
07-30 72.36
07-31 77.01
08-01 57.68
08-02 67.56
08-03 129.41
08-04 161.12
08-05 1359.31
08-06 178.62
08-07 116.68
08-08 174.32
08-09 106.45
08-10 117.04
08-11 86.34
08-12 88.08
08-13 97.21
08-14 535.88
08-15 271.5
08-16 168.34
08-17 119.08
08-18 108.14
08-19 193.46
08-20 127.19
08-21 91.63
08-22 158.36
08-23 159.0
08-24 161.26
08-25 98.87
08-26 78.21
08-27 65.26
08-28 65.04
08-29 310.78
08-30 108.32
08-31 75.44
09-01 63.49
09-02 290.69
09-03 169.03
09-04 111.46
09-05 82.18
09-06 105.4
09-07 215.99
09-08 280.51
09-09 178.0
09-10 157.01
09-11 174.66
09-12 116.14
09-13 199.14
09-14 107.98
09-15 82.03
09-16 75.59
09-17 62.11
09-18 61.46
09-19 109.57
09-20 81.34
09-21 63.55
09-22 56.3
09-23 51.58
09-24 105.66
09-25 86.83
09-26 100.69
09-27 91.32
09-28 91.37
09-29 134.4
09-30 105.23
10-01 71.07
10-02 53.34
10-03 79.05
10-04 70.21
10-05 108.61
10-06 81.19
10-07 69.63
10-08 66.83
10-09 58.92
10-10 62.33
10-11 51.03
10-12 104.28
10-13 65.16
10-14 61.88
10-15 93.25
10-16 66.44
10-17 76.25
10-18 58.91
10-19 51.31
10-20 95.59
10-21 79.24
10-22 72.72
10-23 53.57
10-24 49.67
10-25 48.23
10-26 47.28
10-27 50.42
10-28 82.58
10-29 76.38
10-30 128.94
10-31 129.77
11-01 198.81
11-02 187.2
11-03 187.22
11-04 162.68
11-05 89.39
11-06 105.03
11-07 137.08
11-08 108.75
11-09 85.08
11-10 106.66
11-11 81.98
11-12 91.58
11-13 95.19
11-14 104.34
11-15 85.59
11-16 83.25
11-17 86.82
11-18 87.27
11-19 83.34
11-20 82.65
11-21 77.83
11-22 75.18
11-23 98.69
11-24 218.27
11-25 169.4
11-26 131.52
11-27 155.41
11-28 149.6
11-29 114.23
11-30 127.28
12-01 157.95
12-02 137.9
12-03 132.09
12-04 131.96
12-05 114.51
12-06 106.73
12-07 125.09
12-08 170.27
12-09 178.7
12-10 155.51
12-11 173.84
12-12 170.87
12-13 136.06
12-14 120.1
12-15 106.83
12-16 98.98
12-17 122.53
12-18 157.1
12-19 224.66
12-20 145.08
12-21 126.53
12-22 238.48
12-23 200.18
12-24 237.66
12-25 266.48
12-26 252.28
12-27 194.28
12-28 223.01
12-29 273.54
12-30 254.39
12-31 210.13

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index