| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.30 | 2.34 | -0.04 |
| Feb | 1.96 | 1.88 | 0.08 |
| Mar | 2.65 | 2.78 | -0.13 |
| Apr | 2.55 | 2.54 | 0.01 |
| May | 4.15 | 4.29 | -0.14 |
| Jun | 3.40 | 3.34 | 0.06 |
| Jul | 2.16 | 2.12 | 0.04 |
| Aug | 2.33 | 2.31 | 0.02 |
| Sep | 3.58 | 3.61 | -0.03 |
| Oct | 4.14 | 4.10 | 0.04 |
| Nov | 2.62 | 2.81 | -0.19 |
| Dec | 2.27 | 2.38 | -0.11 |
34.11 | 34.50 | -0.39 |