| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.74 | 2.90 | -0.16 |
| Feb | 2.29 | 2.29 | 0.00 |
| Mar | 3.15 | 3.17 | -0.02 |
| Apr | 3.77 | 3.83 | -0.06 |
| May | 4.07 | 4.09 | -0.02 |
| Jun | 4.57 | 4.53 | 0.04 |
| Jul | 4.20 | 3.85 | 0.35 |
| Aug | 3.66 | 3.57 | 0.09 |
| Sep | 3.36 | 3.35 | 0.01 |
| Oct | 3.11 | 3.12 | -0.01 |
| Nov | 2.83 | 2.85 | -0.02 |
| Dec | 2.80 | 2.91 | -0.11 |
40.55 | 40.46 | 0.09 |