| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.90 | 4.15 | -0.25 |
| Feb | 3.45 | 3.67 | -0.22 |
| Mar | 4.92 | 5.42 | -0.50 |
| Apr | 4.40 | 4.76 | -0.36 |
| May | 3.52 | 3.62 | -0.10 |
| Jun | 3.76 | 3.96 | -0.20 |
| Jul | 3.21 | 3.24 | -0.03 |
| Aug | 3.79 | 4.01 | -0.22 |
| Sep | 3.97 | 4.03 | -0.06 |
| Oct | 4.66 | 4.84 | -0.18 |
| Nov | 4.10 | 4.32 | -0.22 |
| Dec | 4.80 | 5.18 | -0.38 |
48.48 | 51.20 | -2.72 |