| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.52 | 0.53 | -0.01 |
| Feb | 0.72 | 0.73 | -0.01 |
| Mar | 1.28 | 1.31 | -0.03 |
| Apr | 1.96 | 2.03 | -0.07 |
| May | 3.61 | 3.64 | -0.03 |
| Jun | 3.16 | 3.14 | 0.02 |
| Jul | 3.72 | 3.66 | 0.06 |
| Aug | 3.13 | 3.14 | -0.01 |
| Sep | 1.87 | 1.92 | -0.05 |
| Oct | 1.63 | 1.68 | -0.05 |
| Nov | 0.84 | 0.86 | -0.02 |
| Dec | 0.76 | 0.84 | -0.08 |
23.20 | 23.48 | -0.28 |