| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.82 | 0.86 | -0.04 |
| Feb | 0.88 | 0.84 | 0.04 |
| Mar | 1.68 | 1.68 | 0.00 |
| Apr | 3.05 | 2.86 | 0.19 |
| May | 4.23 | 4.29 | -0.06 |
| Jun | 4.84 | 5.02 | -0.18 |
| Jul | 4.12 | 4.00 | 0.12 |
| Aug | 4.21 | 4.25 | -0.04 |
| Sep | 3.25 | 3.24 | 0.01 |
| Oct | 2.44 | 2.46 | -0.02 |
| Nov | 1.56 | 1.51 | 0.05 |
| Dec | 1.14 | 1.20 | -0.06 |
32.22 | 32.21 | 0.01 |