| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.81 | 1.84 | -0.03 |
| Feb | 1.92 | 2.02 | -0.10 |
| Mar | 2.71 | 2.61 | 0.10 |
| Apr | 4.08 | 4.14 | -0.06 |
| May | 5.07 | 4.93 | 0.14 |
| Jun | 4.64 | 4.46 | 0.18 |
| Jul | 4.15 | 4.04 | 0.11 |
| Aug | 3.70 | 3.85 | -0.15 |
| Sep | 3.55 | 3.48 | 0.07 |
| Oct | 3.13 | 3.14 | -0.01 |
| Nov | 2.62 | 2.68 | -0.06 |
| Dec | 1.94 | 1.96 | -0.02 |
39.32 | 39.15 | 0.17 |