| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.46 | 1.39 | 0.07 |
| Feb | 1.63 | 1.68 | -0.05 |
| Mar | 2.79 | 2.76 | 0.03 |
| Apr | 3.77 | 3.67 | 0.10 |
| May | 5.04 | 5.10 | -0.06 |
| Jun | 4.84 | 4.89 | -0.05 |
| Jul | 3.75 | 3.49 | 0.26 |
| Aug | 3.36 | 3.25 | 0.11 |
| Sep | 3.70 | 3.67 | 0.03 |
| Oct | 3.41 | 3.47 | -0.06 |
| Nov | 2.15 | 2.16 | -0.01 |
| Dec | 1.98 | 1.95 | 0.03 |
37.88 | 37.48 | 0.40 |