| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.62 | 1.68 | -0.06 |
| Feb | 1.59 | 1.66 | -0.07 |
| Mar | 2.03 | 1.94 | 0.09 |
| Apr | 3.70 | 3.77 | -0.07 |
| May | 3.82 | 3.85 | -0.03 |
| Jun | 4.51 | 4.69 | -0.18 |
| Jul | 3.55 | 3.59 | -0.04 |
| Aug | 3.78 | 3.74 | 0.04 |
| Sep | 3.26 | 3.21 | 0.05 |
| Oct | 2.86 | 2.79 | 0.07 |
| Nov | 2.13 | 2.14 | -0.01 |
| Dec | 1.87 | 1.96 | -0.09 |
34.72 | 35.02 | -0.30 |