| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.68 | 3.70 | -0.02 |
| Feb | 2.92 | 3.14 | -0.22 |
| Mar | 4.21 | 4.36 | -0.15 |
| Apr | 4.00 | 4.14 | -0.14 |
| May | 4.20 | 4.22 | -0.02 |
| Jun | 4.78 | 5.01 | -0.23 |
| Jul | 5.03 | 4.64 | 0.39 |
| Aug | 4.69 | 4.78 | -0.09 |
| Sep | 4.68 | 4.64 | 0.04 |
| Oct | 4.65 | 4.98 | -0.33 |
| Nov | 3.59 | 3.72 | -0.13 |
| Dec | 4.39 | 4.71 | -0.32 |
50.82 | 52.04 | -1.22 |