| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.52 | 1.52 | 0.00 |
| Feb | 1.62 | 1.63 | -0.01 |
| Mar | 2.33 | 2.11 | 0.22 |
| Apr | 3.66 | 3.61 | 0.05 |
| May | 4.21 | 4.39 | -0.18 |
| Jun | 5.47 | 5.28 | 0.19 |
| Jul | 4.41 | 4.15 | 0.26 |
| Aug | 3.94 | 4.01 | -0.07 |
| Sep | 3.75 | 4.00 | -0.25 |
| Oct | 2.88 | 2.86 | 0.02 |
| Nov | 2.33 | 2.28 | 0.05 |
| Dec | 1.85 | 1.88 | -0.03 |
37.97 | 37.72 | 0.25 |