| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.67 | 3.64 | 0.03 |
| Feb | 3.17 | 3.24 | -0.07 |
| Mar | 4.03 | 3.98 | 0.05 |
| Apr | 3.92 | 3.91 | 0.01 |
| May | 4.54 | 4.55 | -0.01 |
| Jun | 4.90 | 4.69 | 0.21 |
| Jul | 4.82 | 4.90 | -0.08 |
| Aug | 3.89 | 3.99 | -0.10 |
| Sep | 3.63 | 3.65 | -0.02 |
| Oct | 3.19 | 3.22 | -0.03 |
| Nov | 3.01 | 3.05 | -0.04 |
| Dec | 3.78 | 3.69 | 0.09 |
46.55 | 46.51 | 0.04 |