| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.01 | 4.19 | -0.18 |
| Feb | 3.62 | 3.66 | -0.04 |
| Mar | 5.14 | 5.10 | 0.04 |
| Apr | 4.32 | 4.35 | -0.03 |
| May | 3.47 | 3.49 | -0.02 |
| Jun | 3.55 | 3.58 | -0.03 |
| Jul | 2.88 | 2.90 | -0.02 |
| Aug | 3.49 | 3.62 | -0.13 |
| Sep | 4.14 | 4.11 | 0.03 |
| Oct | 4.95 | 4.68 | 0.27 |
| Nov | 4.31 | 4.22 | 0.09 |
| Dec | 4.90 | 5.11 | -0.21 |
48.78 | 49.01 | -0.23 |