Heat Advisory
2026-07-15T20:00:00-04:00

* WHAT...Heat index values up to 103 expected. * WHERE...Berks, Lehigh, Northampton, Eastern Chester, Upper Bucks, Western Chester, and Western Montgomery Counties. * WHEN...From 10 AM to 8 PM EDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Marsh Creek Near Glenmoore, 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 18.18
01-02 21.48
01-03 15.0
01-04 12.74
01-05 14.89
01-06 12.17
01-07 16.43
01-08 14.26
01-09 11.74
01-10 31.34
01-11 22.65
01-12 18.92
01-13 25.28
01-14 17.44
01-15 12.35
01-16 11.88
01-17 17.11
01-18 15.66
01-19 11.93
01-20 18.73
01-21 17.69
01-22 10.76
01-23 9.77
01-24 14.69
01-25 26.68
01-26 41.81
01-27 19.97
01-28 15.32
01-29 19.84
01-30 11.61
01-31 12.57
02-01 20.62
02-02 10.36
02-03 11.0
02-04 21.76
02-05 27.94
02-06 20.64
02-07 18.68
02-08 19.26
02-09 13.38
02-10 11.47
02-11 14.11
02-12 20.5
02-13 14.5
02-14 14.78
02-15 12.06
02-16 14.87
02-17 33.49
02-18 16.64
02-19 13.63
02-20 12.81
02-21 14.66
02-22 17.66
02-23 15.9
02-24 14.06
02-25 37.97
02-26 26.07
02-27 16.89
02-28 17.68
02-29 16.45
03-01 23.87
03-02 22.64
03-03 22.1
03-04 17.84
03-05 16.24
03-06 18.32
03-07 16.94
03-08 14.13
03-09 12.91
03-10 21.36
03-11 30.24
03-12 28.68
03-13 29.37
03-14 21.51
03-15 25.1
03-16 16.88
03-17 15.17
03-18 14.08
03-19 13.89
03-20 17.26
03-21 15.14
03-22 23.61
03-23 16.58
03-24 22.33
03-25 22.52
03-26 16.55
03-27 14.79
03-28 16.76
03-29 22.44
03-30 16.48
03-31 17.22
04-01 23.77
04-02 19.14
04-03 20.52
04-04 24.12
04-05 16.94
04-06 12.98
04-07 17.96
04-08 21.5
04-09 15.47
04-10 12.59
04-11 11.13
04-12 11.55
04-13 14.16
04-14 20.38
04-15 12.09
04-16 28.42
04-17 16.51
04-18 9.85
04-19 17.33
04-20 13.82
04-21 18.98
04-22 11.73
04-23 15.9
04-24 14.94
04-25 11.56
04-26 12.11
04-27 17.28
04-28 11.46
04-29 11.25
04-30 12.32
05-01 60.84
05-02 26.24
05-03 15.85
05-04 14.94
05-05 14.04
05-06 16.88
05-07 20.35
05-08 20.73
05-09 15.76
05-10 12.32
05-11 12.4
05-12 14.03
05-13 13.04
05-14 19.58
05-15 12.63
05-16 17.65
05-17 22.26
05-18 18.04
05-19 10.37
05-20 12.5
05-21 9.2
05-22 9.56
05-23 14.03
05-24 12.85
05-25 10.5
05-26 12.25
05-27 11.32
05-28 8.72
05-29 17.1
05-30 18.36
05-31 12.76
06-01 9.39
06-02 12.37
06-03 15.54
06-04 10.65
06-05 13.43
06-06 10.88
06-07 7.88
06-08 12.35
06-09 14.58
06-10 8.77
06-11 21.33
06-12 21.57
06-13 12.6
06-14 17.08
06-15 10.96
06-16 7.12
06-17 7.17
06-18 6.4
06-19 10.64
06-20 9.96
06-21 10.94
06-22 7.18
06-23 8.6
06-24 8.46
06-25 8.45
06-26 7.02
06-27 10.41
06-28 13.32
06-29 14.75
06-30 7.06
07-01 8.74
07-02 18.15
07-03 17.12
07-04 7.44
07-05 6.64
07-06 5.35
07-07 7.25
07-08 6.42
07-09 5.87
07-10 7.54
07-11 11.03
07-12 12.96
07-13 10.0
07-14 9.23
07-15 7.26
07-16 7.81
07-17 6.25
07-18 6.15
07-19 5.58
07-20 4.31
07-21 3.94
07-22 5.76
07-23 18.0
07-24 17.43
07-25 12.71
07-26 7.41
07-27 5.09
07-28 15.73
07-29 12.1
07-30 6.47
07-31 5.11
08-01 5.11
08-02 6.56
08-03 5.12
08-04 5.87
08-05 25.67
08-06 12.79
08-07 5.6
08-08 5.81
08-09 4.94
08-10 4.88
08-11 4.96
08-12 4.77
08-13 4.72
08-14 18.4
08-15 9.62
08-16 5.46
08-17 4.57
08-18 4.18
08-19 6.24
08-20 6.98
08-21 4.96
08-22 9.26
08-23 7.94
08-24 5.76
08-25 4.25
08-26 3.52
08-27 3.1
08-28 11.33
08-29 24.95
08-30 11.4
08-31 5.19
09-01 6.5
09-02 35.62
09-03 15.98
09-04 7.44
09-05 5.13
09-06 5.53
09-07 13.83
09-08 20.77
09-09 14.72
09-10 12.66
09-11 10.09
09-12 7.66
09-13 6.55
09-14 5.42
09-15 4.7
09-16 4.27
09-17 3.84
09-18 7.51
09-19 9.27
09-20 5.48
09-21 4.08
09-22 3.96
09-23 3.71
09-24 16.96
09-25 19.47
09-26 12.75
09-27 8.47
09-28 7.99
09-29 12.26
09-30 11.91
10-01 10.77
10-02 6.77
10-03 7.03
10-04 8.62
10-05 8.28
10-06 7.34
10-07 5.6
10-08 5.47
10-09 5.15
10-10 5.28
10-11 5.63
10-12 11.19
10-13 10.42
10-14 7.59
10-15 7.6
10-16 8.91
10-17 8.9
10-18 7.27
10-19 5.19
10-20 6.51
10-21 7.04
10-22 5.46
10-23 5.62
10-24 5.45
10-25 5.14
10-26 7.47
10-27 8.17
10-28 10.89
10-29 8.45
10-30 30.43
10-31 26.09
11-01 17.01
11-02 13.89
11-03 15.31
11-04 13.12
11-05 5.25
11-06 6.55
11-07 8.17
11-08 7.2
11-09 6.44
11-10 9.02
11-11 8.48
11-12 8.39
11-13 9.37
11-14 11.24
11-15 7.2
11-16 9.41
11-17 13.67
11-18 11.23
11-19 9.96
11-20 8.62
11-21 7.38
11-22 11.44
11-23 15.28
11-24 19.16
11-25 20.11
11-26 12.51
11-27 12.41
11-28 16.11
11-29 9.09
11-30 11.77
12-01 27.22
12-02 16.85
12-03 13.78
12-04 11.43
12-05 9.61
12-06 11.65
12-07 15.86
12-08 22.41
12-09 15.06
12-10 11.68
12-11 15.94
12-12 15.12
12-13 9.2
12-14 8.75
12-15 10.15
12-16 15.11
12-17 21.35
12-18 24.38
12-19 21.49
12-20 11.3
12-21 14.9
12-22 26.0
12-23 16.97
12-24 25.11
12-25 25.88
12-26 20.99
12-27 12.95
12-28 28.78
12-29 29.98
12-30 20.83
12-31 15.89

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index