| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.31 | 3.29 | 0.02 |
| Feb | 2.79 | 2.75 | 0.04 |
| Mar | 3.88 | 3.78 | 0.10 |
| Apr | 3.38 | 3.33 | 0.05 |
| May | 4.14 | 4.15 | -0.01 |
| Jun | 4.27 | 4.08 | 0.19 |
| Jul | 4.30 | 4.31 | -0.01 |
| Aug | 4.22 | 4.36 | -0.14 |
| Sep | 4.44 | 4.11 | 0.33 |
| Oct | 3.75 | 3.63 | 0.12 |
| Nov | 3.34 | 3.28 | 0.06 |
| Dec | 3.58 | 3.72 | -0.14 |
45.40 | 44.79 | 0.61 |