| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.00 | 4.00 | 0.00 |
| Feb | 4.00 | 4.04 | -0.04 |
| Mar | 4.54 | 4.55 | -0.01 |
| Apr | 4.15 | 4.26 | -0.11 |
| May | 4.55 | 4.65 | -0.10 |
| Jun | 4.25 | 4.35 | -0.10 |
| Jul | 2.89 | 2.92 | -0.03 |
| Aug | 2.67 | 2.82 | -0.15 |
| Sep | 3.33 | 3.43 | -0.10 |
| Oct | 4.58 | 4.42 | 0.16 |
| Nov | 3.80 | 3.85 | -0.05 |
| Dec | 4.52 | 4.63 | -0.11 |
47.28 | 47.92 | -0.64 |