| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.12 | 3.07 | 0.05 |
| Feb | 2.47 | 2.45 | 0.02 |
| Mar | 3.56 | 3.44 | 0.12 |
| Apr | 4.39 | 4.43 | -0.04 |
| May | 4.82 | 4.82 | 0.00 |
| Jun | 5.15 | 5.14 | 0.01 |
| Jul | 4.27 | 4.42 | -0.15 |
| Aug | 3.54 | 3.36 | 0.18 |
| Sep | 3.11 | 3.15 | -0.04 |
| Oct | 3.18 | 3.21 | -0.03 |
| Nov | 3.43 | 3.45 | -0.02 |
| Dec | 3.15 | 3.07 | 0.08 |
44.19 | 44.01 | 0.18 |