| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.21 | 2.36 | -0.15 |
| Feb | 2.08 | 2.16 | -0.08 |
| Mar | 3.21 | 3.32 | -0.11 |
| Apr | 4.66 | 4.68 | -0.02 |
| May | 5.11 | 5.23 | -0.12 |
| Jun | 4.31 | 4.54 | -0.23 |
| Jul | 4.29 | 4.29 | 0.00 |
| Aug | 3.95 | 4.02 | -0.07 |
| Sep | 4.00 | 4.23 | -0.23 |
| Oct | 3.36 | 3.52 | -0.16 |
| Nov | 3.28 | 3.36 | -0.08 |
| Dec | 2.34 | 2.43 | -0.09 |
42.80 | 44.14 | -1.34 |