| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.83 | 2.81 | 0.02 |
| Feb | 2.34 | 2.39 | -0.05 |
| Mar | 3.13 | 3.17 | -0.04 |
| Apr | 4.13 | 4.20 | -0.07 |
| May | 4.54 | 4.53 | 0.01 |
| Jun | 5.03 | 4.97 | 0.06 |
| Jul | 4.19 | 4.15 | 0.04 |
| Aug | 3.46 | 3.32 | 0.14 |
| Sep | 3.22 | 3.29 | -0.07 |
| Oct | 3.15 | 3.11 | 0.04 |
| Nov | 3.33 | 3.37 | -0.04 |
| Dec | 2.78 | 2.81 | -0.03 |
42.13 | 42.12 | 0.01 |