| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.89 | 3.99 | -0.10 |
| Feb | 4.46 | 4.38 | 0.08 |
| Mar | 4.66 | 4.65 | 0.01 |
| Apr | 4.58 | 4.65 | -0.07 |
| May | 5.14 | 5.08 | 0.06 |
| Jun | 4.16 | 4.15 | 0.01 |
| Jul | 3.48 | 3.41 | 0.07 |
| Aug | 3.03 | 2.92 | 0.11 |
| Sep | 3.87 | 3.77 | 0.10 |
| Oct | 4.49 | 4.64 | -0.15 |
| Nov | 4.18 | 4.19 | -0.01 |
| Dec | 4.84 | 4.90 | -0.06 |
50.78 | 50.73 | 0.05 |