| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.96 | 1.02 | -0.06 |
| Feb | 0.99 | 1.03 | -0.04 |
| Mar | 1.65 | 1.73 | -0.08 |
| Apr | 2.88 | 2.85 | 0.03 |
| May | 4.05 | 4.06 | -0.01 |
| Jun | 4.64 | 4.75 | -0.11 |
| Jul | 4.17 | 4.22 | -0.05 |
| Aug | 4.21 | 4.28 | -0.07 |
| Sep | 3.58 | 3.66 | -0.08 |
| Oct | 3.18 | 3.30 | -0.12 |
| Nov | 1.81 | 1.81 | 0.00 |
| Dec | 1.25 | 1.31 | -0.06 |
33.37 | 34.02 | -0.65 |