| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.82 | 0.96 | -0.14 |
| Feb | 0.82 | 0.92 | -0.10 |
| Mar | 1.67 | 1.71 | -0.04 |
| Apr | 2.93 | 3.02 | -0.09 |
| May | 4.21 | 4.28 | -0.07 |
| Jun | 4.88 | 5.05 | -0.17 |
| Jul | 4.20 | 4.26 | -0.06 |
| Aug | 4.53 | 4.47 | 0.06 |
| Sep | 3.37 | 3.33 | 0.04 |
| Oct | 2.72 | 2.85 | -0.13 |
| Nov | 1.64 | 1.70 | -0.06 |
| Dec | 1.18 | 1.30 | -0.12 |
32.97 | 33.85 | -0.88 |