| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.74 | 1.95 | -0.21 |
| Feb | 1.75 | 1.87 | -0.12 |
| Mar | 2.26 | 2.29 | -0.03 |
| Apr | 3.77 | 3.78 | -0.01 |
| May | 4.70 | 4.73 | -0.03 |
| Jun | 4.32 | 4.28 | 0.04 |
| Jul | 3.74 | 3.72 | 0.02 |
| Aug | 3.91 | 3.88 | 0.03 |
| Sep | 3.27 | 3.28 | -0.01 |
| Oct | 3.34 | 3.39 | -0.05 |
| Nov | 2.51 | 2.55 | -0.04 |
| Dec | 1.99 | 2.12 | -0.13 |
37.30 | 37.84 | -0.54 |