| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.93 | 3.94 | -0.01 |
| Feb | 3.26 | 3.46 | -0.20 |
| Mar | 4.31 | 4.38 | -0.07 |
| Apr | 4.10 | 4.02 | 0.08 |
| May | 3.10 | 3.28 | -0.18 |
| Jun | 3.37 | 3.38 | -0.01 |
| Jul | 2.42 | 2.60 | -0.18 |
| Aug | 3.37 | 3.40 | -0.03 |
| Sep | 3.81 | 3.83 | -0.02 |
| Oct | 4.47 | 4.55 | -0.08 |
| Nov | 4.12 | 4.20 | -0.08 |
| Dec | 4.72 | 4.62 | 0.10 |
44.98 | 45.66 | -0.68 |