| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.73 | -0.02 |
| Feb | 0.80 | 0.82 | -0.02 |
| Mar | 1.43 | 1.47 | -0.04 |
| Apr | 2.58 | 2.65 | -0.07 |
| May | 3.38 | 3.41 | -0.03 |
| Jun | 4.52 | 4.72 | -0.20 |
| Jul | 3.86 | 3.97 | -0.11 |
| Aug | 3.73 | 4.07 | -0.34 |
| Sep | 2.93 | 3.01 | -0.08 |
| Oct | 2.33 | 2.52 | -0.19 |
| Nov | 1.32 | 1.35 | -0.03 |
| Dec | 0.88 | 0.92 | -0.04 |
28.47 | 29.64 | -1.17 |