| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.84 | -0.06 |
| Feb | 1.13 | 1.18 | -0.05 |
| Mar | 2.21 | 2.22 | -0.01 |
| Apr | 2.55 | 2.60 | -0.05 |
| May | 4.80 | 4.79 | 0.01 |
| Jun | 4.33 | 4.32 | 0.01 |
| Jul | 3.71 | 3.70 | 0.01 |
| Aug | 3.66 | 3.57 | 0.09 |
| Sep | 2.37 | 2.25 | 0.12 |
| Oct | 2.48 | 2.46 | 0.02 |
| Nov | 1.39 | 1.33 | 0.06 |
| Dec | 1.12 | 1.14 | -0.02 |
30.53 | 30.40 | 0.13 |