| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.81 | 3.01 | -0.20 |
| Feb | 2.28 | 2.30 | -0.02 |
| Mar | 2.90 | 2.97 | -0.07 |
| Apr | 3.86 | 4.01 | -0.15 |
| May | 4.27 | 4.35 | -0.08 |
| Jun | 4.45 | 4.64 | -0.19 |
| Jul | 4.02 | 4.29 | -0.27 |
| Aug | 3.55 | 3.46 | 0.09 |
| Sep | 3.46 | 3.25 | 0.21 |
| Oct | 2.90 | 2.88 | 0.02 |
| Nov | 2.99 | 2.97 | 0.02 |
| Dec | 2.88 | 3.01 | -0.13 |
40.37 | 41.14 | -0.77 |