| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.86 | -0.08 |
| Feb | 0.82 | 0.87 | -0.05 |
| Mar | 1.61 | 1.62 | -0.01 |
| Apr | 2.96 | 3.00 | -0.04 |
| May | 4.27 | 4.28 | -0.01 |
| Jun | 4.87 | 4.65 | 0.22 |
| Jul | 4.15 | 4.07 | 0.08 |
| Aug | 4.35 | 4.51 | -0.16 |
| Sep | 3.23 | 3.25 | -0.02 |
| Oct | 2.53 | 2.59 | -0.06 |
| Nov | 1.55 | 1.62 | -0.07 |
| Dec | 1.07 | 1.21 | -0.14 |
32.19 | 32.53 | -0.34 |