| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.54 | 3.67 | -0.13 |
| Feb | 2.98 | 3.09 | -0.11 |
| Mar | 3.79 | 4.01 | -0.22 |
| Apr | 4.02 | 4.10 | -0.08 |
| May | 3.87 | 3.82 | 0.05 |
| Jun | 4.10 | 3.98 | 0.12 |
| Jul | 4.22 | 4.20 | 0.02 |
| Aug | 4.33 | 4.28 | 0.05 |
| Sep | 4.01 | 4.12 | -0.11 |
| Oct | 3.19 | 3.28 | -0.09 |
| Nov | 3.15 | 3.24 | -0.09 |
| Dec | 3.45 | 3.78 | -0.33 |
44.65 | 45.57 | -0.92 |