| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.43 | 0.26 |
| Feb | 0.74 | 0.51 | 0.23 |
| Mar | 1.54 | 1.10 | 0.44 |
| Apr | 2.36 | 1.91 | 0.45 |
| May | 2.51 | 2.27 | 0.24 |
| Jun | 2.10 | 2.04 | 0.06 |
| Jul | 3.26 | 2.92 | 0.34 |
| Aug | 2.84 | 3.51 | -0.67 |
| Sep | 1.52 | 1.65 | -0.13 |
| Oct | 1.13 | 0.81 | 0.32 |
| Nov | 0.85 | 0.64 | 0.21 |
| Dec | 0.66 | 0.46 | 0.20 |
20.20 | 18.25 | 1.95 |