| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.10 | 3.65 | -0.55 |
| Feb | 2.58 | 3.36 | -0.78 |
| Mar | 3.12 | 3.64 | -0.52 |
| Apr | 3.63 | 4.10 | -0.47 |
| May | 4.11 | 4.31 | -0.20 |
| Jun | 4.48 | 4.90 | -0.42 |
| Jul | 4.42 | 4.80 | -0.38 |
| Aug | 4.00 | 4.32 | -0.32 |
| Sep | 3.96 | 4.18 | -0.22 |
| Oct | 4.61 | 5.01 | -0.40 |
| Nov | 3.61 | 4.16 | -0.55 |
| Dec | 3.74 | 4.35 | -0.61 |
45.36 | 50.78 | -5.42 |