| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.22 | 2.35 | -0.13 |
| Feb | 1.95 | 2.03 | -0.08 |
| Mar | 2.27 | 2.31 | -0.04 |
| Apr | 3.46 | 3.53 | -0.07 |
| May | 4.28 | 4.16 | 0.12 |
| Jun | 4.20 | 4.10 | 0.10 |
| Jul | 3.80 | 3.72 | 0.08 |
| Aug | 3.95 | 3.72 | 0.23 |
| Sep | 3.43 | 3.42 | 0.01 |
| Oct | 3.46 | 3.61 | -0.15 |
| Nov | 2.65 | 2.65 | 0.00 |
| Dec | 2.18 | 2.21 | -0.03 |
37.85 | 37.81 | 0.04 |