| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.97 | 3.02 | -0.05 |
| Feb | 2.61 | 2.55 | 0.06 |
| Mar | 3.87 | 3.77 | 0.10 |
| Apr | 3.55 | 3.52 | 0.03 |
| May | 4.31 | 4.12 | 0.19 |
| Jun | 4.26 | 4.17 | 0.09 |
| Jul | 4.33 | 4.15 | 0.18 |
| Aug | 3.37 | 3.40 | -0.03 |
| Sep | 4.42 | 4.48 | -0.06 |
| Oct | 3.67 | 3.85 | -0.18 |
| Nov | 3.11 | 3.20 | -0.09 |
| Dec | 3.54 | 3.65 | -0.11 |
44.01 | 43.88 | 0.13 |