| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.82 | -0.13 |
| Feb | 0.81 | 0.91 | -0.10 |
| Mar | 1.45 | 1.57 | -0.12 |
| Apr | 2.75 | 2.94 | -0.19 |
| May | 4.14 | 4.31 | -0.17 |
| Jun | 4.48 | 4.46 | 0.02 |
| Jul | 4.22 | 4.49 | -0.27 |
| Aug | 4.01 | 4.19 | -0.18 |
| Sep | 3.22 | 3.35 | -0.13 |
| Oct | 2.80 | 2.83 | -0.03 |
| Nov | 1.53 | 1.68 | -0.15 |
| Dec | 1.04 | 1.18 | -0.14 |
31.14 | 32.73 | -1.59 |