| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.99 | 3.09 | -0.10 |
| Feb | 2.67 | 2.81 | -0.14 |
| Mar | 3.93 | 4.01 | -0.08 |
| Apr | 3.42 | 3.47 | -0.05 |
| May | 4.05 | 4.28 | -0.23 |
| Jun | 4.26 | 4.34 | -0.08 |
| Jul | 4.45 | 4.52 | -0.07 |
| Aug | 4.25 | 4.11 | 0.14 |
| Sep | 4.39 | 4.53 | -0.14 |
| Oct | 3.98 | 4.11 | -0.13 |
| Nov | 3.15 | 3.23 | -0.08 |
| Dec | 3.71 | 3.84 | -0.13 |
45.25 | 46.34 | -1.09 |