| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.13 | 1.92 | 0.21 |
| Feb | 1.83 | 1.70 | 0.13 |
| Mar | 2.30 | 2.41 | -0.11 |
| Apr | 3.49 | 3.53 | -0.04 |
| May | 4.53 | 4.58 | -0.05 |
| Jun | 4.55 | 4.50 | 0.05 |
| Jul | 4.01 | 4.11 | -0.10 |
| Aug | 3.75 | 3.55 | 0.20 |
| Sep | 3.26 | 3.28 | -0.02 |
| Oct | 3.10 | 3.02 | 0.08 |
| Nov | 2.47 | 2.50 | -0.03 |
| Dec | 1.94 | 1.97 | -0.03 |
37.36 | 37.07 | 0.29 |