| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.57 | 2.75 | -0.18 |
| Feb | 2.08 | 2.14 | -0.06 |
| Mar | 2.32 | 2.39 | -0.07 |
| Apr | 3.79 | 3.73 | 0.06 |
| May | 3.86 | 3.99 | -0.13 |
| Jun | 3.56 | 3.64 | -0.08 |
| Jul | 3.36 | 3.23 | 0.13 |
| Aug | 3.46 | 3.36 | 0.10 |
| Sep | 3.19 | 3.15 | 0.04 |
| Oct | 3.90 | 3.87 | 0.03 |
| Nov | 2.93 | 3.12 | -0.19 |
| Dec | 2.47 | 2.64 | -0.17 |
37.49 | 38.01 | -0.52 |