| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.31 | 1.40 | -0.09 |
| Feb | 1.63 | 1.79 | -0.16 |
| Mar | 2.63 | 2.71 | -0.08 |
| Apr | 4.04 | 4.19 | -0.15 |
| May | 5.15 | 5.49 | -0.34 |
| Jun | 5.12 | 5.47 | -0.35 |
| Jul | 4.61 | 4.81 | -0.20 |
| Aug | 4.42 | 4.35 | 0.07 |
| Sep | 4.27 | 4.42 | -0.15 |
| Oct | 3.22 | 3.42 | -0.20 |
| Nov | 2.26 | 2.35 | -0.09 |
| Dec | 1.80 | 1.78 | 0.02 |
40.46 | 42.18 | -1.72 |