| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.98 | -0.21 |
| Feb | 0.78 | 0.93 | -0.15 |
| Mar | 1.62 | 1.77 | -0.15 |
| Apr | 2.88 | 3.14 | -0.26 |
| May | 4.13 | 4.26 | -0.13 |
| Jun | 4.56 | 4.88 | -0.32 |
| Jul | 4.24 | 4.38 | -0.14 |
| Aug | 4.57 | 4.39 | 0.18 |
| Sep | 3.32 | 3.34 | -0.02 |
| Oct | 2.75 | 2.94 | -0.19 |
| Nov | 1.58 | 1.72 | -0.14 |
| Dec | 1.12 | 1.35 | -0.23 |
32.32 | 34.08 | -1.76 |