| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.65 | 0.04 |
| Feb | 0.68 | 0.67 | 0.01 |
| Mar | 1.34 | 1.30 | 0.04 |
| Apr | 2.38 | 2.39 | -0.01 |
| May | 3.23 | 3.22 | 0.01 |
| Jun | 4.11 | 4.19 | -0.08 |
| Jul | 3.72 | 3.97 | -0.25 |
| Aug | 3.51 | 3.71 | -0.20 |
| Sep | 2.69 | 2.72 | -0.03 |
| Oct | 2.34 | 2.33 | 0.01 |
| Nov | 1.17 | 1.10 | 0.07 |
| Dec | 0.77 | 0.76 | 0.01 |
26.63 | 27.01 | -0.38 |