| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.74 | -0.05 |
| Feb | 0.76 | 0.86 | -0.10 |
| Mar | 1.41 | 1.44 | -0.03 |
| Apr | 2.76 | 2.84 | -0.08 |
| May | 3.98 | 4.12 | -0.14 |
| Jun | 4.65 | 4.54 | 0.11 |
| Jul | 3.83 | 3.86 | -0.03 |
| Aug | 4.05 | 4.29 | -0.24 |
| Sep | 3.33 | 3.25 | 0.08 |
| Oct | 2.47 | 2.52 | -0.05 |
| Nov | 1.43 | 1.48 | -0.05 |
| Dec | 1.03 | 1.08 | -0.05 |
30.39 | 31.02 | -0.63 |