| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.42 | 2.56 | -0.14 |
| Feb | 2.40 | 2.47 | -0.07 |
| Mar | 3.73 | 3.88 | -0.15 |
| Apr | 4.59 | 4.81 | -0.22 |
| May | 5.19 | 5.35 | -0.16 |
| Jun | 4.20 | 4.41 | -0.21 |
| Jul | 4.19 | 4.08 | 0.11 |
| Aug | 4.11 | 4.23 | -0.12 |
| Sep | 3.89 | 4.04 | -0.15 |
| Oct | 3.35 | 3.40 | -0.05 |
| Nov | 3.60 | 3.72 | -0.12 |
| Dec | 2.64 | 2.78 | -0.14 |
44.31 | 45.73 | -1.42 |