| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.75 | 0.89 | -0.14 |
| Feb | 0.78 | 0.86 | -0.08 |
| Mar | 1.56 | 1.65 | -0.09 |
| Apr | 2.85 | 3.05 | -0.20 |
| May | 4.14 | 4.25 | -0.11 |
| Jun | 4.54 | 4.59 | -0.05 |
| Jul | 4.21 | 4.26 | -0.05 |
| Aug | 4.35 | 4.14 | 0.21 |
| Sep | 3.27 | 3.28 | -0.01 |
| Oct | 2.87 | 2.82 | 0.05 |
| Nov | 1.59 | 1.64 | -0.05 |
| Dec | 1.06 | 1.25 | -0.19 |
31.97 | 32.68 | -0.71 |