| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.87 | 0.90 | -0.03 |
| Feb | 0.92 | 0.92 | 0.00 |
| Mar | 1.72 | 1.78 | -0.06 |
| Apr | 3.22 | 3.12 | 0.10 |
| May | 4.35 | 4.29 | 0.06 |
| Jun | 5.09 | 5.26 | -0.17 |
| Jul | 4.52 | 4.65 | -0.13 |
| Aug | 4.41 | 4.45 | -0.04 |
| Sep | 3.51 | 3.62 | -0.11 |
| Oct | 2.48 | 2.57 | -0.09 |
| Nov | 1.54 | 1.53 | 0.01 |
| Dec | 1.16 | 1.17 | -0.01 |
33.79 | 34.26 | -0.47 |