| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.20 | 1.14 | 0.06 |
| Feb | 1.28 | 1.29 | -0.01 |
| Mar | 2.16 | 2.10 | 0.06 |
| Apr | 3.86 | 3.97 | -0.11 |
| May | 4.57 | 4.86 | -0.29 |
| Jun | 5.80 | 5.89 | -0.09 |
| Jul | 4.58 | 4.97 | -0.39 |
| Aug | 4.02 | 3.92 | 0.10 |
| Sep | 3.77 | 3.68 | 0.09 |
| Oct | 2.92 | 2.97 | -0.05 |
| Nov | 2.13 | 2.19 | -0.06 |
| Dec | 1.67 | 1.63 | 0.04 |
37.96 | 38.61 | -0.65 |