| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.08 | 1.05 | 0.03 |
| Feb | 1.52 | 1.47 | 0.05 |
| Mar | 2.48 | 2.76 | -0.28 |
| Apr | 4.04 | 4.06 | -0.02 |
| May | 5.57 | 5.43 | 0.14 |
| Jun | 5.12 | 5.22 | -0.10 |
| Jul | 4.25 | 4.43 | -0.18 |
| Aug | 3.84 | 3.65 | 0.19 |
| Sep | 4.17 | 4.44 | -0.27 |
| Oct | 3.31 | 3.44 | -0.13 |
| Nov | 2.31 | 2.30 | 0.01 |
| Dec | 1.63 | 1.58 | 0.05 |
39.32 | 39.83 | -0.51 |