An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >
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Muscle Shoals, Alabama New Climate Normals |
| Click in the box below for the daily normals and records for the month indicated. |
Monthly Normals
The NEW 1981-2010 Normals
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Normal High | 50.7 | 55.4 | 64.4 | 73.3 | 80.9 | 87.8 | 90.8 | 90.9 | 84.7 | 74.3 | 63.3 | 52.8 | 72.5 |
| Normal Low | 31.3 | 35.0 | 42.0 | 49.5 | 58.7 | 66.3 | 70.0 | 68.8 | 61.6 | 49.8 | 40.9 | 33.8 | 50.7 |
| Normal Avg | 41.0 | 45.2 | 53.2 | 61.4 | 69.8 | 77.0 | 80.4 | 79.8 | 73.2 | 62.1 | 52.1 | 43.3 | 61.6 |
| HDD* | 744 | 555 | 378 | 160 | 30 | 1 | 0 | 0 | 15 | 153 | 394 | 674 | 3105 |
| CDD** | ~0 | 1 | 12 | 52 | 179 | 362 | 477 | 460 | 259 | 62 | 7 | 1 | 1874 |
| Normal Precipitation | 4.61 | 4.66 | 4.76 | 4.35 | 5.12 | 4.76 | 4.30 | 3.15 | 3.72 | 3.43 | 4.66 | 5.86 | 53.20 |
| Normal Snowfall | 0.4 | 1.0 | 0.4 | T | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.4 | 2.2 |
The OLD 1971-2000 Normals
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Normal High | 49.1 | 54.8 | 63.8 | 72.4 | 79.8 | 87.3 | 90.6 | 90.0 | 83.9 | 73.6 | 62.2 | 52.7 | 71.7 |
| Normal Low | 30.7 | 34.3 | 41.8 | 48.7 | 57.7 | 65.6 | 69.8 | 68.1 | 61.9 | 49.4 | 40.8 | 33.8 | 50.2 |
| Normal Avg | 39.9 | 44.6 | 52.8 | 60.6 | 68.8 | 76.5 | 80.2 | 79.1 | 72.9 | 61.5 | 51.5 | 43.3 | 60.6 |
| HDD* | 778 | 573 | 388 | 169 | 50 | 1 | 0 | 0 | 18 | 171 | 414 | 674 | 3236 |
| CDD** | 0 | 0 | 8 | 36 | 167 | 344 | 471 | 436 | 255 | 63 | 9 | 0 | 1789 |
| Normal Precipitation | 4.97 | 4.46 | 6.21 | 4.43 | 5.30 | 4.90 | 4.52 | 2.96 | 4.30 | 3.22 | 5.09 | 5.44 | 55.80 |
| Normal Snowfall | 1.0 | 0.9 | 0.3 | T | 0 | 0 | 0 | 0 | 0 | 0 | T | 0.2 | 2.4 |
Change (1981-2010 Normals) - (1971-2000 Normals)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Normal High | +1.6 | +0.6 | +0.6 | +0.9 | +1.1 | +0.5 | +0.2 | +0.9 | +0.8 | +0.7 | +1.1 | +0.1 | +0.8 |
| Normal Low | +0.6 | +0.7 | +0.2 | +0.8 | +1.0 | +0.7 | +0.2 | +0.7 | -0.3 | +0.4 | +0.1 | 0 | +0.5 |
| Normal Avg | +1.1 | +0.6 | +0.4 | +0.8 | +1.0 | +0.5 | +0.2 | +0.7 | +0.3 | +0.6 | +0.6 | 0 | +1.0 |
| HDD* | -34 | -18 | -10 | -9 | -20 | 0 | 0 | 0 | -3 | -18 | -20 | 0 | -131 |
| CDD** | ~0 | +1 | +4 | +16 | +12 | +18 | +6 | +24 | +4 | -1 | -2 | +1 | +85 |
| Normal Precipitation | -0.36 | +0.20 | -1.45 | -0.08 | -0.18 | -0.14 | -0.22 | +0.19 | -0.58 | +0.21 | -0.43 | +0.24 | -2.60 |
| Normal Snowfall | -0.6 | +0.1 | +0.1 | ~0 | 0 | 0 | 0 | 0 | 0 | 0 | ~0 | +0.2 | -0.2 |
* HDD = Heating Degree Days
** CDD = Cooling Degree Days
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