Dense Fog Advisory
2026-10-30T10:00:00-04:00

* WHAT...Visibility of 1/4 mile or less will be possible in dense fog. * WHERE...Charleston, Dorchester, Inland Berkeley, and Tidal Berkeley Counties. * WHEN...Until 10 AM EDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous. * ADDITIONAL DETAILS...Smoke from recent prescribed burns over the Francis Marion National Forest could result in areas of super fog with fog mixing with smoke. Visibilities in these areas could drop to near 0 resulting in dangerous driving conditions. These areas of super fog could impact the Charleston Metro area through the early morning commute.

Lake Moultrie Tailrace Canal At Moncks Corner, Sc 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 4871.91
01-02 2525.63
01-03 3479.73
01-04 3914.5
01-05 4859.44
01-06 3059.25
01-07 2746.56
01-08 2925.2
01-09 3509.05
01-10 2484.67
01-11 2063.82
01-12 3183.73
01-13 3662.04
01-14 4902.93
01-15 4439.67
01-16 4198.33
01-17 2294.68
01-18 4032.78
01-19 2859.11
01-20 2921.78
01-21 2218.45
01-22 3583.27
01-23 3139.7
01-24 2875.01
01-25 4522.18
01-26 5852.4
01-27 4856.33
01-28 4356.27
01-29 4744.82
01-30 3719.68
01-31 2264.4
02-01 4314.1
02-02 4732.91
02-03 2002.73
02-04 2540.1
02-05 2917.44
02-06 2792.4
02-07 2935.82
02-08 2909.9
02-09 2256.64
02-10 2082.21
02-11 3438.22
02-12 2493.06
02-13 2432.64
02-14 2375.95
02-15 3499.26
02-16 2641.1
02-17 4662.64
02-18 3056.0
02-19 2104.73
02-20 4914.27
02-21 3871.92
02-22 3564.3
02-23 4212.5
02-24 3742.73
02-25 4846.45
02-26 4703.62
02-27 3761.38
02-28 4444.25
02-29 2427.0
03-01 2523.9
03-02 2587.7
03-03 4382.11
03-04 3587.3
03-05 3442.7
03-06 3646.88
03-07 6387.7
03-08 5245.64
03-09 4460.0
03-10 3701.83
03-11 3107.11
03-12 3045.8
03-13 5541.49
03-14 4825.9
03-15 2201.9
03-16 3542.27
03-17 4425.9
03-18 3813.36
03-19 3115.08
03-20 4222.42
03-21 3903.92
03-22 2399.72
03-23 2445.92
03-24 4683.78
03-25 2581.1
03-26 1897.47
03-27 3508.91
03-28 3430.0
03-29 4735.36
03-30 2659.3
03-31 2410.67
04-01 1726.5
04-02 2004.0
04-03 3144.45
04-04 2195.5
04-05 1932.67
04-06 1455.23
04-07 2101.09
04-08 3408.64
04-09 2185.87
04-10 4213.58
04-11 4133.6
04-12 4327.41
04-13 2804.0
04-14 2646.33
04-15 3677.11
04-16 2226.1
04-17 1885.73
04-18 3219.8
04-19 2919.3
04-20 1681.1
04-21 2034.18
04-22 1813.92
04-23 1904.12
04-24 2233.91
04-25 1611.56
04-26 2000.99
04-27 2377.44
04-28 2950.0
04-29 2570.22
04-30 2612.4
05-01 2436.4
05-02 2380.73
05-03 1740.33
05-04 3568.39
05-05 3243.21
05-06 2820.21
05-07 2301.85
05-08 2516.27
05-09 1756.15
05-10 2058.8
05-11 1899.3
05-12 3556.33
05-13 2587.8
05-14 2397.18
05-15 1980.45
05-16 1971.5
05-17 1514.21
05-18 2841.58
05-19 1891.27
05-20 3503.1
05-21 2853.38
05-22 1257.33
05-23 2737.9
05-24 3850.87
05-25 1472.4
05-26 1979.82
05-27 2562.73
05-28 2630.5
05-29 2273.08
05-30 2485.91
05-31 1608.4
06-01 1531.45
06-02 2716.92
06-03 1628.15
06-04 2243.43
06-05 3365.2
06-06 1762.85
06-07 2290.33
06-08 1462.3
06-09 2389.5
06-10 1946.72
06-11 2317.4
06-12 1863.45
06-13 1432.91
06-14 1262.29
06-15 1316.48
06-16 1664.85
06-17 1939.82
06-18 1830.18
06-19 1580.74
06-20 3767.67
06-21 3881.83
06-22 2330.41
06-23 1928.82
06-24 2029.29
06-25 1917.01
06-26 2216.99
06-27 1833.86
06-28 1991.33
06-29 1597.2
06-30 1706.27
07-01 1783.33
07-02 3583.28
07-03 3252.82
07-04 3265.82
07-05 1781.36
07-06 1859.83
07-07 2539.75
07-08 2366.94
07-09 2104.78
07-10 2479.0
07-11 1613.87
07-12 1547.64
07-13 1839.64
07-14 1849.75
07-15 2048.98
07-16 3275.86
07-17 1806.38
07-18 2428.36
07-19 1405.26
07-20 2225.03
07-21 4265.02
07-22 2767.88
07-23 2055.0
07-24 1971.65
07-25 1365.75
07-26 2386.87
07-27 2457.09
07-28 1624.08
07-29 2740.46
07-30 2473.07
07-31 1851.77
08-01 2123.4
08-02 1544.4
08-03 4648.82
08-04 1958.77
08-05 2172.6
08-06 1936.15
08-07 2101.9
08-08 1555.8
08-09 1831.5
08-10 1919.22
08-11 2161.88
08-12 2469.72
08-13 1863.58
08-14 2284.15
08-15 2160.21
08-16 2001.8
08-17 2001.16
08-18 1714.64
08-19 1787.5
08-20 1874.46
08-21 2624.88
08-22 1725.22
08-23 1698.18
08-24 1561.12
08-25 3344.58
08-26 2090.1
08-27 2164.0
08-28 1800.03
08-29 1722.29
08-30 1618.83
08-31 1699.05
09-01 2155.92
09-02 1421.79
09-03 2471.73
09-04 2243.47
09-05 2932.86
09-06 2083.4
09-07 1914.3
09-08 2164.8
09-09 2943.92
09-10 2394.42
09-11 2878.62
09-12 2960.71
09-13 2018.92
09-14 2376.08
09-15 5448.67
09-16 2262.54
09-17 2413.64
09-18 2646.5
09-19 2527.7
09-20 1963.6
09-21 1744.16
09-22 2368.11
09-23 2931.91
09-24 3082.36
09-25 2308.86
09-26 1725.64
09-27 2600.83
09-28 2177.08
09-29 2770.86
09-30 4213.91
10-01 3930.82
10-02 4829.38
10-03 3777.76
10-04 2659.41
10-05 1468.58
10-06 2615.45
10-07 3050.25
10-08 2334.42
10-09 3341.08
10-10 2823.23
10-11 2962.08
10-12 2598.25
10-13 3010.64
10-14 2741.51
10-15 3038.75
10-16 1941.83
10-17 2268.17
10-18 2547.35
10-19 2110.45
10-20 1930.15
10-21 2864.0
10-22 2770.68
10-23 3105.55
10-24 1777.07
10-25 2984.44
10-26 3104.21
10-27 3318.17
10-28 3001.15
10-29 2993.54
10-30 2414.23
10-31 4535.09
11-01 3885.3
11-02 3184.82
11-03 2261.91
11-04 2231.05
11-05 2792.73
11-06 3426.27
11-07 3276.2
11-08 3200.2
11-09 3293.78
11-10 3548.08
11-11 4291.09
11-12 2355.09
11-13 5755.0
11-14 2658.36
11-15 2476.01
11-16 4747.42
11-17 2583.2
11-18 2788.14
11-19 2070.5
11-20 3309.13
11-21 2930.33
11-22 2309.5
11-23 2594.31
11-24 1855.25
11-25 3788.75
11-26 2706.25
11-27 3367.58
11-28 2651.17
11-29 6363.35
11-30 5897.47
12-01 3540.2
12-02 2670.9
12-03 2284.42
12-04 3947.54
12-05 1996.0
12-06 5196.82
12-07 3205.56
12-08 3451.64
12-09 4469.45
12-10 3517.45
12-11 4008.33
12-12 3072.67
12-13 3648.42
12-14 4509.91
12-15 5193.33
12-16 2335.2
12-17 2569.67
12-18 3074.5
12-19 2325.7
12-20 2766.45
12-21 3295.0
12-22 2610.12
12-23 3143.55
12-24 2821.18
12-25 3885.92
12-26 4109.0
12-27 2320.44
12-28 3496.64
12-29 2304.29
12-30 4205.67
12-31 3895.8

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index