| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.79 | 3.98 | -0.19 |
| Feb | 2.86 | 3.02 | -0.16 |
| Mar | 3.92 | 4.30 | -0.38 |
| Apr | 4.14 | 4.25 | -0.11 |
| May | 4.20 | 4.08 | 0.12 |
| Jun | 4.96 | 5.15 | -0.19 |
| Jul | 4.45 | 4.41 | 0.04 |
| Aug | 4.40 | 5.00 | -0.60 |
| Sep | 5.12 | 5.33 | -0.21 |
| Oct | 5.00 | 5.52 | -0.52 |
| Nov | 3.68 | 3.99 | -0.31 |
| Dec | 3.97 | 4.57 | -0.60 |
50.49 | 53.60 | -3.11 |