| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.46 | 1.66 | -0.20 |
| Feb | 1.34 | 1.46 | -0.12 |
| Mar | 1.86 | 1.92 | -0.06 |
| Apr | 3.50 | 3.60 | -0.10 |
| May | 3.70 | 3.75 | -0.05 |
| Jun | 4.43 | 4.32 | 0.11 |
| Jul | 3.64 | 3.89 | -0.25 |
| Aug | 3.71 | 3.93 | -0.22 |
| Sep | 3.10 | 3.18 | -0.08 |
| Oct | 2.72 | 2.82 | -0.10 |
| Nov | 2.02 | 2.06 | -0.04 |
| Dec | 1.69 | 1.88 | -0.19 |
33.17 | 34.47 | -1.30 |