| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.36 | 2.52 | -0.16 |
| Feb | 2.04 | 2.20 | -0.16 |
| Mar | 2.58 | 2.70 | -0.12 |
| Apr | 3.65 | 3.77 | -0.12 |
| May | 3.69 | 3.87 | -0.18 |
| Jun | 3.84 | 3.99 | -0.15 |
| Jul | 3.64 | 3.89 | -0.25 |
| Aug | 3.46 | 3.45 | 0.01 |
| Sep | 3.15 | 3.27 | -0.12 |
| Oct | 2.84 | 2.95 | -0.11 |
| Nov | 2.72 | 2.80 | -0.08 |
| Dec | 2.35 | 2.62 | -0.27 |
36.32 | 38.03 | -1.71 |