| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.76 | 2.95 | -0.19 |
| Feb | 2.14 | 2.33 | -0.19 |
| Mar | 2.58 | 2.75 | -0.17 |
| Apr | 3.35 | 3.39 | -0.04 |
| May | 3.24 | 3.16 | 0.08 |
| Jun | 3.34 | 3.42 | -0.08 |
| Jul | 3.41 | 3.32 | 0.09 |
| Aug | 3.22 | 3.10 | 0.12 |
| Sep | 3.81 | 3.80 | 0.01 |
| Oct | 3.64 | 3.80 | -0.16 |
| Nov | 3.14 | 3.17 | -0.03 |
| Dec | 3.20 | 3.24 | -0.04 |
37.83 | 38.43 | -0.60 |