| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.84 | -0.14 |
| Feb | 0.77 | 0.88 | -0.11 |
| Mar | 1.49 | 1.57 | -0.08 |
| Apr | 2.85 | 2.96 | -0.11 |
| May | 4.12 | 4.32 | -0.20 |
| Jun | 4.40 | 4.56 | -0.16 |
| Jul | 4.06 | 4.17 | -0.11 |
| Aug | 4.13 | 4.18 | -0.05 |
| Sep | 3.22 | 3.28 | -0.06 |
| Oct | 2.75 | 2.67 | 0.08 |
| Nov | 1.52 | 1.56 | -0.04 |
| Dec | 1.01 | 1.21 | -0.20 |
31.02 | 32.20 | -1.18 |