| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.82 | 0.87 | -0.05 |
| Feb | 1.19 | 1.30 | -0.11 |
| Mar | 2.24 | 2.32 | -0.08 |
| Apr | 3.66 | 3.76 | -0.10 |
| May | 5.11 | 5.54 | -0.43 |
| Jun | 4.88 | 5.03 | -0.15 |
| Jul | 4.31 | 4.42 | -0.11 |
| Aug | 4.21 | 4.25 | -0.04 |
| Sep | 3.55 | 3.59 | -0.04 |
| Oct | 2.84 | 3.11 | -0.27 |
| Nov | 1.87 | 1.95 | -0.08 |
| Dec | 1.47 | 1.56 | -0.09 |
36.15 | 37.70 | -1.55 |