| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.12 | 1.13 | -0.01 |
| Feb | 1.11 | 1.10 | 0.01 |
| Mar | 1.88 | 1.86 | 0.02 |
| Apr | 3.96 | 3.91 | 0.05 |
| May | 4.77 | 4.65 | 0.12 |
| Jun | 5.78 | 5.98 | -0.20 |
| Jul | 4.28 | 4.24 | 0.04 |
| Aug | 4.26 | 4.41 | -0.15 |
| Sep | 3.85 | 3.81 | 0.04 |
| Oct | 2.78 | 2.67 | 0.11 |
| Nov | 1.92 | 1.83 | 0.09 |
| Dec | 1.38 | 1.40 | -0.02 |
37.09 | 36.99 | 0.10 |