| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.81 | -0.03 |
| Feb | 0.82 | 0.82 | 0.00 |
| Mar | 1.61 | 1.47 | 0.14 |
| Apr | 2.87 | 2.82 | 0.05 |
| May | 4.16 | 4.14 | 0.02 |
| Jun | 4.55 | 4.58 | -0.03 |
| Jul | 4.32 | 4.40 | -0.08 |
| Aug | 4.27 | 4.02 | 0.25 |
| Sep | 3.32 | 3.10 | 0.22 |
| Oct | 2.84 | 2.76 | 0.08 |
| Nov | 1.72 | 1.58 | 0.14 |
| Dec | 1.14 | 1.13 | 0.01 |
32.40 | 31.63 | 0.77 |