| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.30 | 3.31 | -0.01 |
| Feb | 3.39 | 3.28 | 0.11 |
| Mar | 4.71 | 4.79 | -0.08 |
| Apr | 5.32 | 5.31 | 0.01 |
| May | 5.35 | 5.54 | -0.19 |
| Jun | 3.53 | 3.76 | -0.23 |
| Jul | 3.90 | 3.81 | 0.09 |
| Aug | 3.54 | 3.71 | -0.17 |
| Sep | 3.63 | 3.64 | -0.01 |
| Oct | 3.76 | 3.64 | 0.12 |
| Nov | 4.62 | 4.87 | -0.25 |
| Dec | 4.08 | 4.01 | 0.07 |
49.13 | 49.67 | -0.54 |