| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.13 | 1.33 | -0.20 |
| Feb | 0.98 | 1.10 | -0.12 |
| Mar | 1.53 | 1.63 | -0.10 |
| Apr | 2.60 | 2.80 | -0.20 |
| May | 3.32 | 3.46 | -0.14 |
| Jun | 3.66 | 3.82 | -0.16 |
| Jul | 3.85 | 4.05 | -0.20 |
| Aug | 3.34 | 3.42 | -0.08 |
| Sep | 3.13 | 3.14 | -0.01 |
| Oct | 3.08 | 3.04 | 0.04 |
| Nov | 2.02 | 1.85 | 0.17 |
| Dec | 1.48 | 1.67 | -0.19 |
30.12 | 31.31 | -1.19 |