| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.14 | 2.23 | -0.09 |
| Feb | 1.56 | 1.58 | -0.02 |
| Mar | 1.80 | 1.96 | -0.16 |
| Apr | 1.39 | 1.41 | -0.02 |
| May | 1.59 | 1.61 | -0.02 |
| Jun | 1.30 | 1.30 | 0.00 |
| Jul | 0.45 | 0.44 | 0.01 |
| Aug | 0.45 | 0.46 | -0.01 |
| Sep | 0.60 | 0.58 | 0.02 |
| Oct | 1.46 | 1.63 | -0.17 |
| Nov | 2.14 | 2.37 | -0.23 |
| Dec | 2.40 | 2.84 | -0.44 |
17.28 | 18.41 | -1.13 |