| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.81 | 0.89 | -0.08 |
| Feb | 0.86 | 0.87 | -0.01 |
| Mar | 1.56 | 1.58 | -0.02 |
| Apr | 2.80 | 3.02 | -0.22 |
| May | 4.08 | 4.16 | -0.08 |
| Jun | 4.82 | 4.92 | -0.10 |
| Jul | 4.12 | 4.25 | -0.13 |
| Aug | 4.44 | 4.39 | 0.05 |
| Sep | 3.29 | 3.37 | -0.08 |
| Oct | 2.91 | 2.92 | -0.01 |
| Nov | 1.66 | 1.69 | -0.03 |
| Dec | 1.15 | 1.24 | -0.09 |
32.50 | 33.30 | -0.80 |