| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.57 | 2.81 | -0.24 |
| Feb | 2.10 | 2.33 | -0.23 |
| Mar | 2.71 | 2.78 | -0.07 |
| Apr | 3.50 | 3.67 | -0.17 |
| May | 3.72 | 3.83 | -0.11 |
| Jun | 3.89 | 3.92 | -0.03 |
| Jul | 3.69 | 3.75 | -0.06 |
| Aug | 3.56 | 3.77 | -0.21 |
| Sep | 3.64 | 3.79 | -0.15 |
| Oct | 3.33 | 3.47 | -0.14 |
| Nov | 2.95 | 3.05 | -0.10 |
| Dec | 2.65 | 2.85 | -0.20 |
38.31 | 40.02 | -1.71 |