| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.64 | 3.66 | -0.02 |
| Feb | 3.20 | 3.12 | 0.08 |
| Mar | 3.90 | 3.78 | 0.12 |
| Apr | 3.63 | 3.56 | 0.07 |
| May | 4.11 | 3.97 | 0.14 |
| Jun | 4.80 | 4.89 | -0.09 |
| Jul | 5.85 | 5.58 | 0.27 |
| Aug | 6.21 | 5.83 | 0.38 |
| Sep | 6.43 | 6.38 | 0.05 |
| Oct | 3.39 | 3.54 | -0.15 |
| Nov | 3.34 | 3.35 | -0.01 |
| Dec | 3.41 | 3.38 | 0.03 |
51.91 | 51.04 | 0.87 |