| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.65 | 2.84 | -0.19 |
| Feb | 2.23 | 2.41 | -0.18 |
| Mar | 3.31 | 3.40 | -0.09 |
| Apr | 3.36 | 3.48 | -0.12 |
| May | 4.09 | 4.17 | -0.08 |
| Jun | 3.76 | 3.92 | -0.16 |
| Jul | 3.85 | 3.70 | 0.15 |
| Aug | 3.11 | 3.17 | -0.06 |
| Sep | 4.00 | 4.22 | -0.22 |
| Oct | 3.04 | 3.36 | -0.32 |
| Nov | 2.86 | 2.87 | -0.01 |
| Dec | 3.09 | 3.33 | -0.24 |
39.35 | 40.87 | -1.52 |