| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.79 | 3.84 | -0.05 |
| Feb | 3.04 | 3.07 | -0.03 |
| Mar | 4.09 | 4.11 | -0.02 |
| Apr | 4.00 | 4.08 | -0.08 |
| May | 4.42 | 4.63 | -0.21 |
| Jun | 4.60 | 4.64 | -0.04 |
| Jul | 4.41 | 4.61 | -0.20 |
| Aug | 4.47 | 4.58 | -0.11 |
| Sep | 4.79 | 4.88 | -0.09 |
| Oct | 3.55 | 3.40 | 0.15 |
| Nov | 3.36 | 3.25 | 0.11 |
| Dec | 3.92 | 3.92 | 0.00 |
48.44 | 49.01 | -0.57 |