| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.33 | 3.30 | 0.03 |
| Feb | 2.79 | 2.75 | 0.04 |
| Mar | 3.87 | 3.78 | 0.09 |
| Apr | 3.39 | 3.35 | 0.04 |
| May | 4.13 | 4.14 | -0.01 |
| Jun | 4.22 | 4.06 | 0.16 |
| Jul | 4.32 | 4.30 | 0.02 |
| Aug | 4.23 | 4.36 | -0.13 |
| Sep | 4.45 | 4.18 | 0.27 |
| Oct | 3.72 | 3.62 | 0.10 |
| Nov | 3.31 | 3.27 | 0.04 |
| Dec | 3.58 | 3.68 | -0.10 |
45.34 | 44.79 | 0.55 |