| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.47 | 0.56 | -0.09 |
| Feb | 0.46 | 0.58 | -0.12 |
| Mar | 0.60 | 0.65 | -0.05 |
| Apr | 1.48 | 1.61 | -0.13 |
| May | 2.26 | 2.30 | -0.04 |
| Jun | 2.66 | 2.74 | -0.08 |
| Jul | 1.13 | 1.25 | -0.12 |
| Aug | 1.08 | 1.15 | -0.07 |
| Sep | 1.25 | 1.29 | -0.04 |
| Oct | 0.93 | 1.01 | -0.08 |
| Nov | 0.55 | 0.66 | -0.11 |
| Dec | 0.42 | 0.52 | -0.10 |
13.29 | 14.32 | -1.03 |