| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.81 | 0.96 | -0.15 |
| Feb | 0.80 | 0.94 | -0.14 |
| Mar | 1.64 | 1.72 | -0.08 |
| Apr | 2.91 | 2.97 | -0.06 |
| May | 4.14 | 4.24 | -0.10 |
| Jun | 4.71 | 4.97 | -0.26 |
| Jul | 4.20 | 4.25 | -0.05 |
| Aug | 4.54 | 4.40 | 0.14 |
| Sep | 3.37 | 3.28 | 0.09 |
| Oct | 2.68 | 2.81 | -0.13 |
| Nov | 1.58 | 1.70 | -0.12 |
| Dec | 1.16 | 1.31 | -0.15 |
32.54 | 33.55 | -1.01 |