| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.75 | 0.76 | -0.01 |
| Feb | 1.11 | 1.10 | 0.01 |
| Mar | 1.96 | 1.96 | 0.00 |
| Apr | 2.92 | 2.81 | 0.11 |
| May | 4.95 | 4.99 | -0.04 |
| Jun | 4.16 | 4.07 | 0.09 |
| Jul | 4.43 | 4.34 | 0.09 |
| Aug | 3.87 | 4.00 | -0.13 |
| Sep | 2.80 | 2.82 | -0.02 |
| Oct | 2.21 | 2.27 | -0.06 |
| Nov | 1.36 | 1.39 | -0.03 |
| Dec | 1.19 | 1.21 | -0.02 |
31.71 | 31.72 | -0.01 |