| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.83 | 1.97 | -0.14 |
| Feb | 1.77 | 1.87 | -0.10 |
| Mar | 2.29 | 2.24 | 0.05 |
| Apr | 3.78 | 3.74 | 0.04 |
| May | 4.63 | 4.79 | -0.16 |
| Jun | 4.59 | 4.44 | 0.15 |
| Jul | 3.85 | 3.71 | 0.14 |
| Aug | 3.92 | 4.12 | -0.20 |
| Sep | 3.43 | 3.41 | 0.02 |
| Oct | 3.27 | 3.31 | -0.04 |
| Nov | 2.42 | 2.47 | -0.05 |
| Dec | 2.08 | 2.12 | -0.04 |
37.86 | 38.19 | -0.33 |