| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.65 | 2.53 | 0.12 |
| Feb | 2.36 | 2.32 | 0.04 |
| Mar | 2.99 | 2.90 | 0.09 |
| Apr | 3.22 | 3.16 | 0.06 |
| May | 3.46 | 3.30 | 0.16 |
| Jun | 4.20 | 4.39 | -0.19 |
| Jul | 4.06 | 4.24 | -0.18 |
| Aug | 3.83 | 3.98 | -0.15 |
| Sep | 3.79 | 3.65 | 0.14 |
| Oct | 3.96 | 4.02 | -0.06 |
| Nov | 2.89 | 2.79 | 0.10 |
| Dec | 3.24 | 3.31 | -0.07 |
40.65 | 40.59 | 0.06 |