| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.55 | 4.22 | 0.33 |
| Feb | 4.42 | 4.10 | 0.32 |
| Mar | 3.44 | 3.22 | 0.22 |
| Apr | 1.86 | 1.90 | -0.04 |
| May | 1.00 | 1.04 | -0.04 |
| Jun | 0.27 | 0.29 | -0.02 |
| Jul | 0.01 | 0.00 | 0.01 |
| Aug | 0.03 | 0.03 | 0.00 |
| Sep | 0.14 | 0.13 | 0.01 |
| Oct | 1.06 | 1.11 | -0.05 |
| Nov | 2.54 | 2.16 | 0.38 |
| Dec | 4.04 | 4.03 | 0.01 |
23.36 | 22.23 | 1.13 |