| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.75 | 0.92 | -0.17 |
| Feb | 0.78 | 0.87 | -0.09 |
| Mar | 1.57 | 1.69 | -0.12 |
| Apr | 2.85 | 3.10 | -0.25 |
| May | 4.15 | 4.29 | -0.14 |
| Jun | 4.54 | 4.64 | -0.10 |
| Jul | 4.20 | 4.35 | -0.15 |
| Aug | 4.41 | 4.22 | 0.19 |
| Sep | 3.29 | 3.33 | -0.04 |
| Oct | 2.84 | 2.86 | -0.02 |
| Nov | 1.58 | 1.68 | -0.10 |
| Dec | 1.06 | 1.29 | -0.23 |
32.02 | 33.24 | -1.22 |