| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.32 | 3.33 | -0.01 |
| Feb | 2.81 | 2.84 | -0.03 |
| Mar | 4.30 | 4.35 | -0.05 |
| Apr | 3.72 | 3.57 | 0.15 |
| May | 3.68 | 3.76 | -0.08 |
| Jun | 4.51 | 4.59 | -0.08 |
| Jul | 4.56 | 4.63 | -0.07 |
| Aug | 4.28 | 4.42 | -0.14 |
| Sep | 4.42 | 4.55 | -0.13 |
| Oct | 3.84 | 4.07 | -0.23 |
| Nov | 3.30 | 3.21 | 0.09 |
| Dec | 4.05 | 4.19 | -0.14 |
46.79 | 47.51 | -0.72 |