| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.76 | 1.78 | -0.02 |
| Feb | 1.41 | 1.31 | 0.10 |
| Mar | 1.64 | 1.72 | -0.08 |
| Apr | 2.88 | 3.01 | -0.13 |
| May | 3.05 | 3.07 | -0.02 |
| Jun | 3.27 | 3.35 | -0.08 |
| Jul | 3.05 | 3.04 | 0.01 |
| Aug | 3.12 | 3.13 | -0.01 |
| Sep | 2.95 | 2.85 | 0.10 |
| Oct | 3.19 | 3.18 | 0.01 |
| Nov | 2.24 | 2.12 | 0.12 |
| Dec | 1.98 | 1.94 | 0.04 |
30.54 | 30.50 | 0.04 |