| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.23 | 1.20 | 0.03 |
| Feb | 1.08 | 1.10 | -0.02 |
| Mar | 1.75 | 1.75 | 0.00 |
| Apr | 2.96 | 2.95 | 0.01 |
| May | 3.41 | 3.40 | 0.01 |
| Jun | 4.33 | 4.11 | 0.22 |
| Jul | 3.73 | 3.48 | 0.25 |
| Aug | 3.44 | 3.25 | 0.19 |
| Sep | 3.53 | 3.34 | 0.19 |
| Oct | 3.08 | 3.22 | -0.14 |
| Nov | 2.01 | 1.95 | 0.06 |
| Dec | 1.53 | 1.65 | -0.12 |
32.08 | 31.40 | 0.68 |