| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.92 | 0.92 | 0.00 |
| Feb | 0.93 | 0.94 | -0.01 |
| Mar | 1.78 | 1.73 | 0.05 |
| Apr | 2.97 | 2.92 | 0.05 |
| May | 4.20 | 4.17 | 0.03 |
| Jun | 5.17 | 5.08 | 0.09 |
| Jul | 4.22 | 3.92 | 0.30 |
| Aug | 4.61 | 4.52 | 0.09 |
| Sep | 3.41 | 3.52 | -0.11 |
| Oct | 2.64 | 2.54 | 0.10 |
| Nov | 1.64 | 1.61 | 0.03 |
| Dec | 1.18 | 1.15 | 0.03 |
33.67 | 33.02 | 0.65 |