| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.94 | 3.08 | -0.14 |
| Feb | 2.40 | 2.37 | 0.03 |
| Mar | 3.48 | 3.46 | 0.02 |
| Apr | 3.98 | 3.96 | 0.02 |
| May | 4.36 | 4.26 | 0.10 |
| Jun | 4.56 | 4.54 | 0.02 |
| Jul | 4.42 | 4.66 | -0.24 |
| Aug | 3.69 | 3.54 | 0.15 |
| Sep | 3.38 | 3.36 | 0.02 |
| Oct | 2.97 | 2.92 | 0.05 |
| Nov | 2.92 | 2.93 | -0.01 |
| Dec | 3.09 | 3.10 | -0.01 |
42.19 | 42.18 | 0.01 |