| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.39 | 0.38 | 0.01 |
| Feb | 0.57 | 0.57 | 0.00 |
| Mar | 1.13 | 1.09 | 0.04 |
| Apr | 1.88 | 1.89 | -0.01 |
| May | 3.16 | 3.09 | 0.07 |
| Jun | 2.79 | 2.69 | 0.10 |
| Jul | 3.43 | 3.67 | -0.24 |
| Aug | 2.86 | 2.96 | -0.10 |
| Sep | 1.75 | 1.64 | 0.11 |
| Oct | 1.60 | 1.57 | 0.03 |
| Nov | 0.68 | 0.68 | 0.00 |
| Dec | 0.53 | 0.60 | -0.07 |
20.77 | 20.83 | -0.06 |