| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.46 | 1.47 | -0.01 |
| Feb | 1.79 | 1.82 | -0.03 |
| Mar | 2.78 | 2.85 | -0.07 |
| Apr | 4.13 | 4.11 | 0.02 |
| May | 5.10 | 5.17 | -0.07 |
| Jun | 4.96 | 5.02 | -0.06 |
| Jul | 4.76 | 4.62 | 0.14 |
| Aug | 4.05 | 4.09 | -0.04 |
| Sep | 4.02 | 4.04 | -0.02 |
| Oct | 3.14 | 3.16 | -0.02 |
| Nov | 2.48 | 2.45 | 0.03 |
| Dec | 1.78 | 1.85 | -0.07 |
40.45 | 40.65 | -0.20 |