| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.80 | 0.97 | -0.17 |
| Feb | 0.78 | 0.96 | -0.18 |
| Mar | 1.62 | 1.75 | -0.13 |
| Apr | 2.91 | 3.01 | -0.10 |
| May | 4.10 | 4.21 | -0.11 |
| Jun | 4.64 | 4.91 | -0.27 |
| Jul | 4.17 | 4.27 | -0.10 |
| Aug | 4.51 | 4.38 | 0.13 |
| Sep | 3.32 | 3.26 | 0.06 |
| Oct | 2.65 | 2.82 | -0.17 |
| Nov | 1.56 | 1.71 | -0.15 |
| Dec | 1.14 | 1.34 | -0.20 |
32.20 | 33.59 | -1.39 |