| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.29 | 1.48 | -0.19 |
| Feb | 1.38 | 1.46 | -0.08 |
| Mar | 2.14 | 2.22 | -0.08 |
| Apr | 3.88 | 3.80 | 0.08 |
| May | 4.39 | 4.48 | -0.09 |
| Jun | 5.47 | 5.73 | -0.26 |
| Jul | 4.57 | 4.67 | -0.10 |
| Aug | 4.13 | 4.42 | -0.29 |
| Sep | 3.72 | 3.70 | 0.02 |
| Oct | 2.94 | 3.03 | -0.09 |
| Nov | 2.33 | 2.43 | -0.10 |
| Dec | 1.65 | 1.83 | -0.18 |
37.89 | 39.25 | -1.36 |