| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.81 | 0.96 | -0.15 |
| Feb | 0.81 | 0.92 | -0.11 |
| Mar | 1.62 | 1.69 | -0.07 |
| Apr | 2.91 | 3.12 | -0.21 |
| May | 4.15 | 4.28 | -0.13 |
| Jun | 4.86 | 4.99 | -0.13 |
| Jul | 4.13 | 4.22 | -0.09 |
| Aug | 4.51 | 4.54 | -0.03 |
| Sep | 3.34 | 3.36 | -0.02 |
| Oct | 2.76 | 3.01 | -0.25 |
| Nov | 1.65 | 1.74 | -0.09 |
| Dec | 1.17 | 1.30 | -0.13 |
32.72 | 34.13 | -1.41 |