| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.07 | 4.19 | -0.12 |
| Feb | 3.52 | 3.64 | -0.12 |
| Mar | 5.10 | 5.28 | -0.18 |
| Apr | 4.47 | 4.60 | -0.13 |
| May | 3.51 | 3.55 | -0.04 |
| Jun | 3.83 | 4.04 | -0.21 |
| Jul | 3.31 | 3.35 | -0.04 |
| Aug | 3.65 | 3.72 | -0.07 |
| Sep | 4.09 | 3.95 | 0.14 |
| Oct | 4.59 | 4.86 | -0.27 |
| Nov | 4.30 | 4.37 | -0.07 |
| Dec | 4.80 | 5.05 | -0.25 |
49.24 | 50.60 | -1.36 |