| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.43 | 1.45 | -0.02 |
| Feb | 1.74 | 1.78 | -0.04 |
| Mar | 2.38 | 2.37 | 0.01 |
| Apr | 3.56 | 3.65 | -0.09 |
| May | 5.17 | 5.25 | -0.08 |
| Jun | 4.94 | 4.95 | -0.01 |
| Jul | 4.20 | 4.18 | 0.02 |
| Aug | 3.69 | 3.73 | -0.04 |
| Sep | 3.81 | 3.73 | 0.08 |
| Oct | 2.97 | 2.99 | -0.02 |
| Nov | 2.32 | 2.28 | 0.04 |
| Dec | 1.75 | 1.78 | -0.03 |
37.96 | 38.14 | -0.18 |