| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.77 | 1.88 | -0.11 |
| Feb | 1.72 | 1.83 | -0.11 |
| Mar | 2.21 | 2.26 | -0.05 |
| Apr | 3.77 | 3.83 | -0.06 |
| May | 4.12 | 4.22 | -0.10 |
| Jun | 4.37 | 4.49 | -0.12 |
| Jul | 3.44 | 3.64 | -0.20 |
| Aug | 3.63 | 3.58 | 0.05 |
| Sep | 3.43 | 3.48 | -0.05 |
| Oct | 3.08 | 3.09 | -0.01 |
| Nov | 2.36 | 2.37 | -0.01 |
| Dec | 1.91 | 2.09 | -0.18 |
35.81 | 36.76 | -0.95 |