| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.80 | 1.88 | -0.08 |
| Feb | 1.72 | 1.83 | -0.11 |
| Mar | 2.21 | 2.28 | -0.07 |
| Apr | 3.75 | 3.76 | -0.01 |
| May | 4.68 | 4.64 | 0.04 |
| Jun | 4.40 | 4.32 | 0.08 |
| Jul | 3.85 | 3.74 | 0.11 |
| Aug | 3.90 | 3.78 | 0.12 |
| Sep | 3.28 | 3.25 | 0.03 |
| Oct | 3.31 | 3.33 | -0.02 |
| Nov | 2.51 | 2.51 | 0.00 |
| Dec | 2.03 | 2.09 | -0.06 |
37.44 | 37.41 | 0.03 |