| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.26 | 3.25 | 0.01 |
| Feb | 3.22 | 3.35 | -0.13 |
| Mar | 4.41 | 4.59 | -0.18 |
| Apr | 5.39 | 5.68 | -0.29 |
| May | 5.43 | 5.56 | -0.13 |
| Jun | 3.91 | 4.05 | -0.14 |
| Jul | 4.24 | 4.29 | -0.05 |
| Aug | 3.41 | 3.66 | -0.25 |
| Sep | 3.34 | 3.50 | -0.16 |
| Oct | 3.80 | 3.84 | -0.04 |
| Nov | 4.48 | 4.72 | -0.24 |
| Dec | 3.73 | 3.92 | -0.19 |
48.62 | 50.41 | -1.79 |