| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.90 | 3.01 | -0.11 |
| Feb | 2.40 | 2.44 | -0.04 |
| Mar | 3.32 | 3.39 | -0.07 |
| Apr | 4.37 | 4.40 | -0.03 |
| May | 4.65 | 4.77 | -0.12 |
| Jun | 5.12 | 5.10 | 0.02 |
| Jul | 4.12 | 4.30 | -0.18 |
| Aug | 3.38 | 3.18 | 0.20 |
| Sep | 3.18 | 3.21 | -0.03 |
| Oct | 3.34 | 3.20 | 0.14 |
| Nov | 3.33 | 3.46 | -0.13 |
| Dec | 2.92 | 2.99 | -0.07 |
43.03 | 43.45 | -0.42 |