| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.96 | 4.14 | -0.18 |
| Feb | 3.58 | 3.57 | 0.01 |
| Mar | 4.80 | 4.96 | -0.16 |
| Apr | 4.48 | 4.59 | -0.11 |
| May | 3.58 | 3.52 | 0.06 |
| Jun | 4.07 | 4.12 | -0.05 |
| Jul | 3.44 | 3.46 | -0.02 |
| Aug | 3.82 | 3.80 | 0.02 |
| Sep | 3.97 | 4.02 | -0.05 |
| Oct | 4.80 | 4.90 | -0.10 |
| Nov | 4.07 | 4.28 | -0.21 |
| Dec | 4.84 | 5.00 | -0.16 |
49.41 | 50.36 | -0.95 |