Overview Realtime Historical Map View
Frost Advisory
2026-10-24T09:00:00-04:00

* WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Carroll, Frederick, Cecil, Northern Baltimore, and Harford Counties in Maryland. * WHEN...From 1 AM to 9 AM EDT Saturday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Gunpowder Falls At Glencoe, 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
01-01 254.37
01-02 289.73
01-03 254.05
01-04 239.99
01-05 231.45
01-06 221.75
01-07 225.2
01-08 204.0
01-09 203.0
01-10 444.6
01-11 242.9
01-12 313.64
01-13 270.83
01-14 237.08
01-15 227.0
01-16 227.27
01-17 256.54
01-18 242.25
01-19 222.0
01-20 256.75
01-21 261.08
01-22 216.55
01-23 207.78
01-24 304.78
01-25 304.78
01-26 292.33
01-27 245.3
01-28 228.27
01-29 225.3
01-30 202.25
01-31 189.7
02-01 322.25
02-02 237.72
02-03 223.17
02-04 326.82
02-05 324.28
02-06 317.75
02-07 265.86
02-08 259.81
02-09 227.45
02-10 212.38
02-11 211.19
02-12 221.85
02-13 237.13
02-14 299.05
02-15 221.91
02-16 230.26
02-17 279.08
02-18 265.17
02-19 232.03
02-20 261.42
02-21 230.08
02-22 235.88
02-23 243.95
02-24 240.16
02-25 346.78
02-26 277.6
02-27 229.99
02-28 230.93
02-29 226.75
03-01 275.63
03-02 258.68
03-03 243.05
03-04 239.58
03-05 235.61
03-06 283.79
03-07 240.04
03-08 227.21
03-09 233.06
03-10 312.47
03-11 381.87
03-12 344.06
03-13 343.61
03-14 260.4
03-15 286.97
03-16 255.69
03-17 252.53
03-18 224.46
03-19 222.01
03-20 219.71
03-21 212.18
03-22 190.09
03-23 255.99
03-24 243.69
03-25 247.35
03-26 239.49
03-27 223.44
03-28 216.37
03-29 228.77
03-30 223.73
03-31 322.64
04-01 292.93
04-02 269.67
04-03 265.8
04-04 293.47
04-05 249.53
04-06 233.27
04-07 263.4
04-08 273.53
04-09 239.67
04-10 227.31
04-11 212.8
04-12 201.78
04-13 206.49
04-14 239.52
04-15 218.88
04-16 235.28
04-17 213.68
04-18 196.32
04-19 200.02
04-20 258.33
04-21 218.32
04-22 195.5
04-23 213.21
04-24 199.87
04-25 197.44
04-26 207.71
04-27 215.45
04-28 200.16
04-29 210.73
04-30 222.21
05-01 516.71
05-02 326.87
05-03 276.98
05-04 262.4
05-05 246.13
05-06 285.18
05-07 298.64
05-08 289.93
05-09 268.88
05-10 256.36
05-11 239.65
05-12 233.73
05-13 229.84
05-14 258.17
05-15 232.05
05-16 271.92
05-17 293.11
05-18 234.66
05-19 266.37
05-20 297.23
05-21 229.8
05-22 223.87
05-23 238.77
05-24 229.21
05-25 213.5
05-26 229.03
05-27 200.7
05-28 242.66
05-29 235.73
05-30 210.32
05-31 206.61
06-01 194.1
06-02 296.41
06-03 217.96
06-04 287.21
06-05 193.41
06-06 208.49
06-07 188.0
06-08 190.01
06-09 186.42
06-10 177.45
06-11 223.81
06-12 219.51
06-13 247.49
06-14 209.62
06-15 188.67
06-16 176.54
06-17 180.81
06-18 165.61
06-19 182.14
06-20 175.33
06-21 161.88
06-22 169.57
06-23 177.69
06-24 167.36
06-25 162.86
06-26 175.64
06-27 176.21
06-28 196.14
06-29 189.93
06-30 159.79
07-01 156.29
07-02 162.43
07-03 143.15
07-04 158.54
07-05 150.29
07-06 152.71
07-07 156.1
07-08 144.02
07-09 163.77
07-10 165.52
07-11 158.45
07-12 166.52
07-13 155.03
07-14 149.02
07-15 199.28
07-16 136.64
07-17 172.93
07-18 149.09
07-19 147.05
07-20 138.48
07-21 131.96
07-22 173.48
07-23 155.05
07-24 206.51
07-25 375.85
07-26 382.64
07-27 225.53
07-28 226.81
07-29 197.16
07-30 162.69
07-31 170.65
08-01 177.64
08-02 182.86
08-03 195.09
08-04 196.43
08-05 205.85
08-06 166.19
08-07 169.04
08-08 176.19
08-09 157.08
08-10 147.61
08-11 135.54
08-12 110.42
08-13 145.71
08-14 199.39
08-15 133.82
08-16 136.71
08-17 131.51
08-18 136.72
08-19 149.72
08-20 128.39
08-21 123.91
08-22 182.08
08-23 143.19
08-24 154.42
08-25 144.56
08-26 135.75
08-27 180.23
08-28 179.59
08-29 154.26
08-30 130.99
08-31 125.97
09-01 173.91
09-02 231.45
09-03 172.37
09-04 141.53
09-05 136.37
09-06 141.28
09-07 136.14
09-08 129.96
09-09 145.07
09-10 209.98
09-11 197.69
09-12 152.81
09-13 201.66
09-14 165.74
09-15 157.65
09-16 151.59
09-17 152.24
09-18 176.72
09-19 167.09
09-20 147.98
09-21 146.55
09-22 144.72
09-23 139.84
09-24 155.03
09-25 151.52
09-26 160.78
09-27 159.65
09-28 186.22
09-29 185.63
09-30 185.36
10-01 131.84
10-02 125.06
10-03 190.04
10-04 152.84
10-05 174.9
10-06 132.34
10-07 133.86
10-08 139.35
10-09 130.32
10-10 134.81
10-11 159.57
10-12 230.49
10-13 170.97
10-14 155.09
10-15 161.92
10-16 155.46
10-17 141.47
10-18 122.04
10-19 117.86
10-20 124.1
10-21 124.98
10-22 126.65
10-23 124.86
10-24 118.97
10-25 112.56
10-26 123.96
10-27 121.64
10-28 149.23
10-29 154.22
10-30 233.65
10-31 328.1
11-01 411.16
11-02 193.55
11-03 253.05
11-04 175.21
11-05 136.78
11-06 165.67
11-07 182.75
11-08 163.58
11-09 149.54
11-10 183.12
11-11 154.15
11-12 185.81
11-13 181.81
11-14 185.61
11-15 158.05
11-16 175.5
11-17 201.06
11-18 184.25
11-19 164.99
11-20 157.43
11-21 148.85
11-22 169.08
11-23 231.5
11-24 261.19
11-25 427.75
11-26 211.68
11-27 211.89
11-28 182.85
11-29 167.26
11-30 179.54
12-01 196.08
12-02 196.62
12-03 187.43
12-04 175.9
12-05 167.12
12-06 167.93
12-07 166.07
12-08 239.79
12-09 180.88
12-10 192.26
12-11 206.24
12-12 170.6
12-13 156.21
12-14 156.82
12-15 181.17
12-16 305.6
12-17 284.55
12-18 333.12
12-19 211.84
12-20 187.23
12-21 212.94
12-22 249.36
12-23 272.38
12-24 279.05
12-25 392.92
12-26 267.84
12-27 268.12
12-28 274.79
12-29 278.85
12-30 275.94
12-31 237.62

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index