| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.52 | -0.04 |
| Feb | 3.26 | 3.31 | -0.05 |
| Mar | 3.45 | 3.60 | -0.15 |
| Apr | 3.18 | 3.29 | -0.11 |
| May | 3.65 | 3.78 | -0.13 |
| Jun | 4.63 | 4.76 | -0.13 |
| Jul | 5.35 | 5.52 | -0.17 |
| Aug | 5.29 | 5.18 | 0.11 |
| Sep | 5.04 | 4.88 | 0.16 |
| Oct | 3.42 | 3.52 | -0.10 |
| Nov | 2.93 | 3.01 | -0.08 |
| Dec | 3.63 | 3.63 | 0.00 |
47.31 | 48.00 | -0.69 |