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

* WHAT...Heat index values up to 104 expected. * WHERE...Adams, Cumberland, Franklin, Fulton, Lancaster, and York Counties. * WHEN...From 11 AM to 8 PM EDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Codorus Creek At Spring Grove, Pa Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014
01-01 107.88
01-02 112.49
01-03 67.01
01-04 66.84
01-05 60.0
01-06 55.49
01-07 61.0
01-08 55.39
01-09 56.22
01-10 173.01
01-11 78.98
01-12 72.76
01-13 74.73
01-14 59.38
01-15 51.14
01-16 49.02
01-17 46.42
01-18 42.86
01-19 41.94
01-20 71.71
01-21 61.23
01-22 52.19
01-23 59.9
01-24 61.16
01-25 89.22
01-26 103.98
01-27 76.52
01-28 68.16
01-29 76.72
01-30 61.26
01-31 59.35
02-01 61.79
02-02 67.88
02-03 64.47
02-04 209.48
02-05 122.7
02-06 89.41
02-07 83.45
02-08 94.46
02-09 74.57
02-10 70.08
02-11 72.71
02-12 80.78
02-13 85.55
02-14 83.54
02-15 75.57
02-16 106.13
02-17 162.31
02-18 102.94
02-19 69.48
02-20 80.39
02-21 86.36
02-22 87.02
02-23 93.19
02-24 93.92
02-25 261.84
02-26 115.8
02-27 101.38
02-28 97.49
02-29 113.9
03-01 119.07
03-02 117.33
03-03 97.82
03-04 118.13
03-05 89.4
03-06 103.45
03-07 77.67
03-08 71.92
03-09 75.05
03-10 180.62
03-11 158.42
03-12 124.13
03-13 87.26
03-14 72.32
03-15 89.69
03-16 68.66
03-17 74.04
03-18 59.85
03-19 77.11
03-20 69.34
03-21 60.23
03-22 246.08
03-23 78.52
03-24 85.14
03-25 80.13
03-26 75.31
03-27 69.26
03-28 66.95
03-29 88.84
03-30 67.92
03-31 63.63
04-01 128.21
04-02 80.76
04-03 98.23
04-04 110.02
04-05 82.83
04-06 71.84
04-07 91.82
04-08 101.07
04-09 68.58
04-10 62.26
04-11 55.34
04-12 65.23
04-13 68.14
04-14 65.25
04-15 88.06
04-16 64.5
04-17 74.23
04-18 62.21
04-19 65.98
04-20 63.27
04-21 59.26
04-22 52.27
04-23 57.34
04-24 43.45
04-25 45.48
04-26 52.09
04-27 48.7
04-28 43.81
04-29 67.84
04-30 45.96
05-01 95.58
05-02 64.0
05-03 130.18
05-04 99.85
05-05 58.63
05-06 105.06
05-07 161.63
05-08 111.59
05-09 107.59
05-10 88.67
05-11 73.74
05-12 69.65
05-13 83.41
05-14 114.15
05-15 83.08
05-16 148.31
05-17 93.14
05-18 79.52
05-19 90.36
05-20 84.07
05-21 64.66
05-22 70.85
05-23 95.49
05-24 67.75
05-25 56.25
05-26 49.34
05-27 54.68
05-28 61.12
05-29 73.15
05-30 60.86
05-31 86.56
06-01 72.04
06-02 134.09
06-03 88.12
06-04 82.32
06-05 89.05
06-06 69.87
06-07 61.7
06-08 53.39
06-09 82.06
06-10 49.59
06-11 68.03
06-12 58.19
06-13 47.55
06-14 56.71
06-15 47.87
06-16 41.17
06-17 46.64
06-18 44.67
06-19 64.73
06-20 66.38
06-21 61.73
06-22 43.53
06-23 48.18
06-24 52.26
06-25 54.07
06-26 50.66
06-27 44.36
06-28 61.3
06-29 46.22
06-30 40.73
07-01 59.71
07-02 50.27
07-03 39.94
07-04 37.48
07-05 47.77
07-06 52.71
07-07 67.49
07-08 50.48
07-09 33.92
07-10 99.6
07-11 47.36
07-12 37.47
07-13 37.06
07-14 44.19
07-15 42.91
07-16 37.96
07-17 59.44
07-18 47.84
07-19 61.09
07-20 38.77
07-21 39.99
07-22 131.78
07-23 158.52
07-24 266.19
07-25 382.38
07-26 596.66
07-27 114.96
07-28 94.74
07-29 119.73
07-30 68.14
07-31 75.36
08-01 68.21
08-02 96.7
08-03 61.96
08-04 188.79
08-05 127.81
08-06 109.72
08-07 79.09
08-08 97.16
08-09 62.82
08-10 58.16
08-11 52.84
08-12 50.53
08-13 48.04
08-14 47.62
08-15 49.5
08-16 51.51
08-17 48.73
08-18 53.89
08-19 56.7
08-20 45.33
08-21 53.98
08-22 103.7
08-23 65.1
08-24 49.54
08-25 45.51
08-26 41.33
08-27 39.27
08-28 51.47
08-29 41.74
08-30 37.05
08-31 34.24
09-01 43.26
09-02 287.51
09-03 57.81
09-04 40.7
09-05 42.05
09-06 47.25
09-07 47.7
09-08 55.79
09-09 53.49
09-10 148.64
09-11 92.4
09-12 61.53
09-13 83.26
09-14 53.6
09-15 48.65
09-16 50.55
09-17 61.15
09-18 51.55
09-19 44.66
09-20 46.12
09-21 42.62
09-22 44.12
09-23 48.64
09-24 66.2
09-25 53.66
09-26 62.91
09-27 53.59
09-28 77.06
09-29 57.73
09-30 73.72
10-01 36.52
10-02 43.99
10-03 46.89
10-04 38.73
10-05 53.19
10-06 44.87
10-07 41.15
10-08 41.25
10-09 37.59
10-10 41.52
10-11 34.92
10-12 42.89
10-13 34.48
10-14 38.06
10-15 36.42
10-16 44.42
10-17 41.78
10-18 31.1
10-19 30.09
10-20 29.84
10-21 31.75
10-22 30.56
10-23 35.24
10-24 33.85
10-25 30.94
10-26 45.19
10-27 29.82
10-28 40.54
10-29 192.93
10-30 135.55
10-31 47.93
11-01 103.46
11-02 36.43
11-03 141.43
11-04 38.01
11-05 24.38
11-06 48.95
11-07 59.05
11-08 52.27
11-09 42.87
11-10 58.97
11-11 46.31
11-12 52.38
11-13 49.53
11-14 49.67
11-15 44.2
11-16 56.81
11-17 57.48
11-18 60.91
11-19 64.18
11-20 52.68
11-21 45.94
11-22 68.31
11-23 42.12
11-24 42.21
11-25 168.05
11-26 57.18
11-27 58.14
11-28 48.93
11-29 45.1
11-30 46.67
12-01 51.63
12-02 58.56
12-03 56.15
12-04 50.45
12-05 45.55
12-06 45.13
12-07 67.95
12-08 42.25
12-09 38.22
12-10 47.76
12-11 61.36
12-12 37.2
12-13 31.34
12-14 31.38
12-15 41.94
12-16 114.73
12-17 98.55
12-18 159.08
12-19 65.46
12-20 55.23
12-21 73.94
12-22 76.63
12-23 97.97
12-24 108.4
12-25 133.28
12-26 71.49
12-27 60.87
12-28 61.5
12-29 75.51
12-30 77.58
12-31 67.36

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index