| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.76 | 0.88 | -0.12 |
| Feb | 0.74 | 0.76 | -0.02 |
| Mar | 1.20 | 1.21 | -0.01 |
| Apr | 1.94 | 2.04 | -0.10 |
| May | 3.08 | 3.18 | -0.10 |
| Jun | 4.47 | 4.50 | -0.03 |
| Jul | 3.97 | 4.08 | -0.11 |
| Aug | 3.32 | 3.30 | 0.02 |
| Sep | 2.99 | 3.22 | -0.23 |
| Oct | 2.68 | 2.70 | -0.02 |
| Nov | 1.37 | 1.44 | -0.07 |
| Dec | 1.02 | 1.11 | -0.09 |
27.54 | 28.42 | -0.88 |