| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.68 | 0.74 | -0.06 |
| Feb | 0.83 | 0.81 | 0.02 |
| Mar | 1.55 | 1.64 | -0.09 |
| Apr | 2.94 | 2.84 | 0.10 |
| May | 4.04 | 4.17 | -0.13 |
| Jun | 4.84 | 5.21 | -0.37 |
| Jul | 3.88 | 3.80 | 0.08 |
| Aug | 3.78 | 3.85 | -0.07 |
| Sep | 3.19 | 3.22 | -0.03 |
| Oct | 2.30 | 2.44 | -0.14 |
| Nov | 1.42 | 1.36 | 0.06 |
| Dec | 0.96 | 1.02 | -0.06 |
30.41 | 31.10 | -0.69 |