| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.55 | 1.47 | 0.08 |
| Feb | 1.75 | 1.80 | -0.05 |
| Mar | 2.56 | 2.58 | -0.02 |
| Apr | 2.98 | 3.05 | -0.07 |
| May | 4.90 | 4.46 | 0.44 |
| Jun | 3.81 | 3.88 | -0.07 |
| Jul | 2.53 | 2.38 | 0.15 |
| Aug | 2.70 | 2.60 | 0.10 |
| Sep | 3.33 | 3.24 | 0.09 |
| Oct | 3.48 | 3.35 | 0.13 |
| Nov | 2.21 | 2.17 | 0.04 |
| Dec | 1.84 | 1.82 | 0.02 |
33.64 | 32.80 | 0.84 |