| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.50 | 3.49 | 0.01 |
| Feb | 3.21 | 3.20 | 0.01 |
| Mar | 3.45 | 3.47 | -0.02 |
| Apr | 3.21 | 3.34 | -0.13 |
| May | 3.32 | 3.24 | 0.08 |
| Jun | 5.52 | 5.69 | -0.17 |
| Jul | 5.79 | 5.58 | 0.21 |
| Aug | 6.14 | 6.60 | -0.46 |
| Sep | 4.56 | 4.69 | -0.13 |
| Oct | 3.78 | 3.89 | -0.11 |
| Nov | 2.52 | 2.61 | -0.09 |
| Dec | 3.21 | 3.45 | -0.24 |
48.21 | 49.25 | -1.04 |