| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.70 | 2.79 | -0.09 |
| Feb | 2.18 | 2.32 | -0.14 |
| Mar | 2.82 | 2.87 | -0.05 |
| Apr | 3.74 | 3.84 | -0.10 |
| May | 3.86 | 3.95 | -0.09 |
| Jun | 4.26 | 4.15 | 0.11 |
| Jul | 3.83 | 3.95 | -0.12 |
| Aug | 3.60 | 3.65 | -0.05 |
| Sep | 3.52 | 3.55 | -0.03 |
| Oct | 3.28 | 3.28 | 0.00 |
| Nov | 2.91 | 2.95 | -0.04 |
| Dec | 2.67 | 2.78 | -0.11 |
39.37 | 40.08 | -0.71 |