| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.31 | 1.41 | -0.10 |
| Feb | 1.30 | 1.41 | -0.11 |
| Mar | 2.16 | 2.14 | 0.02 |
| Apr | 3.87 | 3.94 | -0.07 |
| May | 4.36 | 4.45 | -0.09 |
| Jun | 5.14 | 5.47 | -0.33 |
| Jul | 4.25 | 4.65 | -0.40 |
| Aug | 4.36 | 4.48 | -0.12 |
| Sep | 3.68 | 3.53 | 0.15 |
| Oct | 2.89 | 2.86 | 0.03 |
| Nov | 2.07 | 2.05 | 0.02 |
| Dec | 1.62 | 1.76 | -0.14 |
37.01 | 38.15 | -1.14 |