| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.75 | 0.91 | -0.16 |
| Feb | 0.78 | 0.87 | -0.09 |
| Mar | 1.57 | 1.68 | -0.11 |
| Apr | 2.86 | 3.07 | -0.21 |
| May | 4.12 | 4.23 | -0.11 |
| Jun | 4.54 | 4.62 | -0.08 |
| Jul | 4.19 | 4.29 | -0.10 |
| Aug | 4.36 | 4.17 | 0.19 |
| Sep | 3.26 | 3.31 | -0.05 |
| Oct | 2.86 | 2.85 | 0.01 |
| Nov | 1.59 | 1.65 | -0.06 |
| Dec | 1.06 | 1.28 | -0.22 |
31.94 | 32.93 | -0.99 |