| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.73 | 2.81 | -0.08 |
| Feb | 2.10 | 2.12 | -0.02 |
| Mar | 3.41 | 3.33 | 0.08 |
| Apr | 3.15 | 3.21 | -0.06 |
| May | 4.26 | 3.99 | 0.27 |
| Jun | 4.20 | 4.07 | 0.13 |
| Jul | 4.21 | 4.08 | 0.13 |
| Aug | 3.66 | 3.84 | -0.18 |
| Sep | 4.16 | 4.15 | 0.01 |
| Oct | 2.74 | 2.53 | 0.21 |
| Nov | 2.64 | 2.59 | 0.05 |
| Dec | 2.90 | 2.97 | -0.07 |
40.16 | 39.69 | 0.47 |