| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.76 | -0.28 |
| Feb | 3.08 | 3.26 | -0.18 |
| Mar | 3.89 | 4.10 | -0.21 |
| Apr | 3.81 | 4.02 | -0.21 |
| May | 4.59 | 4.91 | -0.32 |
| Jun | 4.42 | 4.81 | -0.39 |
| Jul | 4.87 | 5.03 | -0.16 |
| Aug | 3.72 | 3.96 | -0.24 |
| Sep | 3.52 | 3.80 | -0.28 |
| Oct | 3.22 | 3.33 | -0.11 |
| Nov | 3.02 | 3.20 | -0.18 |
| Dec | 3.49 | 3.74 | -0.25 |
45.11 | 47.92 | -2.81 |