| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.78 | 2.65 | 0.13 |
| Feb | 2.78 | 2.59 | 0.19 |
| Mar | 3.92 | 3.78 | 0.14 |
| Apr | 5.16 | 5.41 | -0.25 |
| May | 5.28 | 5.10 | 0.18 |
| Jun | 3.90 | 3.68 | 0.22 |
| Jul | 4.07 | 3.94 | 0.13 |
| Aug | 3.46 | 3.56 | -0.10 |
| Sep | 3.33 | 3.14 | 0.19 |
| Oct | 3.36 | 3.28 | 0.08 |
| Nov | 4.05 | 3.92 | 0.13 |
| Dec | 3.07 | 3.15 | -0.08 |
45.16 | 44.20 | 0.96 |