| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.79 | 0.94 | -0.15 |
| Feb | 0.81 | 0.92 | -0.11 |
| Mar | 1.61 | 1.68 | -0.07 |
| Apr | 2.87 | 3.14 | -0.27 |
| May | 4.13 | 4.30 | -0.17 |
| Jun | 4.71 | 4.99 | -0.28 |
| Jul | 4.17 | 4.27 | -0.10 |
| Aug | 4.66 | 4.58 | 0.08 |
| Sep | 3.33 | 3.40 | -0.07 |
| Oct | 2.79 | 3.06 | -0.27 |
| Nov | 1.62 | 1.74 | -0.12 |
| Dec | 1.15 | 1.29 | -0.14 |
32.64 | 34.31 | -1.67 |