| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.73 | 0.71 | 0.02 |
| Feb | 1.06 | 1.10 | -0.04 |
| Mar | 1.94 | 1.99 | -0.05 |
| Apr | 3.14 | 3.20 | -0.06 |
| May | 4.92 | 4.92 | 0.00 |
| Jun | 4.84 | 4.90 | -0.06 |
| Jul | 4.46 | 4.31 | 0.15 |
| Aug | 4.13 | 4.05 | 0.08 |
| Sep | 2.91 | 2.99 | -0.08 |
| Oct | 2.39 | 2.42 | -0.03 |
| Nov | 1.51 | 1.54 | -0.03 |
| Dec | 1.21 | 1.20 | 0.01 |
33.24 | 33.33 | -0.09 |