| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.74 | -0.03 |
| Feb | 0.83 | 0.80 | 0.03 |
| Mar | 1.55 | 1.65 | -0.10 |
| Apr | 2.59 | 2.64 | -0.05 |
| May | 4.78 | 5.03 | -0.25 |
| Jun | 4.05 | 4.33 | -0.28 |
| Jul | 4.05 | 4.39 | -0.34 |
| Aug | 3.36 | 3.51 | -0.15 |
| Sep | 2.63 | 2.60 | 0.03 |
| Oct | 2.19 | 2.24 | -0.05 |
| Nov | 1.25 | 1.32 | -0.07 |
| Dec | 0.97 | 0.99 | -0.02 |
28.96 | 30.24 | -1.28 |