| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.58 | 3.46 | 0.12 |
| Feb | 3.04 | 3.07 | -0.03 |
| Mar | 3.85 | 3.77 | 0.08 |
| Apr | 3.91 | 3.89 | 0.02 |
| May | 3.82 | 3.70 | 0.12 |
| Jun | 3.94 | 3.71 | 0.23 |
| Jul | 4.64 | 4.20 | 0.44 |
| Aug | 4.18 | 3.96 | 0.22 |
| Sep | 3.78 | 3.88 | -0.10 |
| Oct | 3.11 | 2.94 | 0.17 |
| Nov | 3.26 | 3.15 | 0.11 |
| Dec | 3.61 | 3.69 | -0.08 |
44.72 | 43.42 | 1.30 |