| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.61 | -0.13 |
| Feb | 2.85 | 2.82 | 0.03 |
| Mar | 4.26 | 4.38 | -0.12 |
| Apr | 3.53 | 3.48 | 0.05 |
| May | 3.53 | 3.67 | -0.14 |
| Jun | 4.11 | 4.15 | -0.04 |
| Jul | 4.96 | 4.97 | -0.01 |
| Aug | 4.60 | 4.92 | -0.32 |
| Sep | 3.90 | 4.00 | -0.10 |
| Oct | 4.09 | 4.04 | 0.05 |
| Nov | 3.27 | 3.24 | 0.03 |
| Dec | 4.26 | 4.34 | -0.08 |
46.84 | 47.62 | -0.78 |