| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.63 | 1.72 | -0.09 |
| Feb | 1.59 | 1.69 | -0.10 |
| Mar | 2.04 | 1.96 | 0.08 |
| Apr | 3.71 | 3.80 | -0.09 |
| May | 3.78 | 3.88 | -0.10 |
| Jun | 4.45 | 4.71 | -0.26 |
| Jul | 3.48 | 3.57 | -0.09 |
| Aug | 3.74 | 3.76 | -0.02 |
| Sep | 3.28 | 3.26 | 0.02 |
| Oct | 2.86 | 2.82 | 0.04 |
| Nov | 2.15 | 2.17 | -0.02 |
| Dec | 1.88 | 1.98 | -0.10 |
34.59 | 35.32 | -0.73 |