| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.85 | 1.81 | 0.04 |
| Feb | 1.74 | 1.83 | -0.09 |
| Mar | 2.48 | 2.34 | 0.14 |
| Apr | 3.73 | 3.74 | -0.01 |
| May | 4.72 | 4.76 | -0.04 |
| Jun | 4.57 | 4.73 | -0.16 |
| Jul | 3.76 | 3.74 | 0.02 |
| Aug | 3.61 | 3.71 | -0.10 |
| Sep | 3.64 | 3.53 | 0.11 |
| Oct | 3.14 | 3.07 | 0.07 |
| Nov | 2.56 | 2.54 | 0.02 |
| Dec | 2.03 | 2.09 | -0.06 |
37.83 | 37.89 | -0.06 |