| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.15 | 1.24 | -0.09 |
| Feb | 1.49 | 1.63 | -0.14 |
| Mar | 2.37 | 2.51 | -0.14 |
| Apr | 3.92 | 4.10 | -0.18 |
| May | 5.37 | 5.46 | -0.09 |
| Jun | 5.04 | 5.47 | -0.43 |
| Jul | 4.48 | 4.51 | -0.03 |
| Aug | 4.38 | 4.43 | -0.05 |
| Sep | 3.88 | 4.26 | -0.38 |
| Oct | 3.19 | 3.33 | -0.14 |
| Nov | 2.13 | 2.21 | -0.08 |
| Dec | 1.57 | 1.70 | -0.13 |
38.97 | 40.85 | -1.88 |