| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.32 | 2.43 | -0.11 |
| Feb | 2.00 | 1.95 | 0.05 |
| Mar | 2.65 | 2.75 | -0.10 |
| Apr | 2.61 | 2.51 | 0.10 |
| May | 4.23 | 4.22 | 0.01 |
| Jun | 3.37 | 3.40 | -0.03 |
| Jul | 2.19 | 1.98 | 0.21 |
| Aug | 2.32 | 2.11 | 0.21 |
| Sep | 3.69 | 3.57 | 0.12 |
| Oct | 4.00 | 3.99 | 0.01 |
| Nov | 2.65 | 2.84 | -0.19 |
| Dec | 2.32 | 2.57 | -0.25 |
34.35 | 34.32 | 0.03 |