| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.01 | 2.82 | 0.19 |
| Feb | 2.42 | 2.32 | 0.10 |
| Mar | 3.12 | 2.95 | 0.17 |
| Apr | 3.49 | 3.40 | 0.09 |
| May | 4.44 | 4.47 | -0.03 |
| Jun | 4.27 | 4.32 | -0.05 |
| Jul | 2.28 | 2.17 | 0.11 |
| Aug | 3.14 | 2.70 | 0.44 |
| Sep | 3.70 | 3.54 | 0.16 |
| Oct | 4.56 | 4.38 | 0.18 |
| Nov | 3.23 | 3.24 | -0.01 |
| Dec | 2.93 | 2.96 | -0.03 |
40.59 | 39.27 | 1.32 |