| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.46 | 4.85 | -0.39 |
| Feb | 3.50 | 3.78 | -0.28 |
| Mar | 4.68 | 5.10 | -0.42 |
| Apr | 5.10 | 5.60 | -0.50 |
| May | 5.25 | 5.80 | -0.55 |
| Jun | 5.21 | 5.92 | -0.71 |
| Jul | 5.33 | 6.12 | -0.79 |
| Aug | 5.05 | 5.63 | -0.58 |
| Sep | 5.13 | 5.67 | -0.54 |
| Oct | 4.22 | 4.44 | -0.22 |
| Nov | 4.14 | 4.39 | -0.25 |
| Dec | 4.31 | 4.84 | -0.53 |
56.38 | 62.14 | -5.76 |