| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.91 | 4.05 | -0.14 |
| Feb | 3.10 | 3.19 | -0.09 |
| Mar | 3.47 | 3.59 | -0.12 |
| Apr | 3.56 | 3.68 | -0.12 |
| May | 4.79 | 4.87 | -0.08 |
| Jun | 4.46 | 4.64 | -0.18 |
| Jul | 2.79 | 2.81 | -0.02 |
| Aug | 3.38 | 3.76 | -0.38 |
| Sep | 3.91 | 3.92 | -0.01 |
| Oct | 4.66 | 4.98 | -0.32 |
| Nov | 4.17 | 4.47 | -0.30 |
| Dec | 4.18 | 4.34 | -0.16 |
46.38 | 48.30 | -1.92 |