| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.83 | 2.84 | -0.01 |
| Feb | 2.33 | 2.34 | -0.01 |
| Mar | 3.40 | 3.33 | 0.07 |
| Apr | 4.07 | 4.11 | -0.04 |
| May | 4.65 | 4.54 | 0.11 |
| Jun | 4.87 | 4.86 | 0.01 |
| Jul | 4.21 | 4.21 | 0.00 |
| Aug | 3.62 | 3.47 | 0.15 |
| Sep | 3.03 | 3.14 | -0.11 |
| Oct | 3.15 | 3.10 | 0.05 |
| Nov | 3.35 | 3.35 | 0.00 |
| Dec | 2.79 | 2.87 | -0.08 |
42.30 | 42.16 | 0.14 |