| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.34 | 1.35 | -0.01 |
| Feb | 1.62 | 1.65 | -0.03 |
| Mar | 2.34 | 2.38 | -0.04 |
| Apr | 3.60 | 3.55 | 0.05 |
| May | 4.81 | 4.86 | -0.05 |
| Jun | 5.04 | 4.98 | 0.06 |
| Jul | 4.12 | 3.92 | 0.20 |
| Aug | 3.97 | 3.93 | 0.04 |
| Sep | 3.55 | 3.52 | 0.03 |
| Oct | 2.84 | 2.80 | 0.04 |
| Nov | 2.19 | 2.17 | 0.02 |
| Dec | 1.80 | 1.83 | -0.03 |
37.22 | 36.94 | 0.28 |