| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.79 | -0.08 |
| Feb | 1.03 | 1.10 | -0.07 |
| Mar | 2.02 | 2.12 | -0.10 |
| Apr | 3.30 | 3.11 | 0.19 |
| May | 5.08 | 5.00 | 0.08 |
| Jun | 4.66 | 4.75 | -0.09 |
| Jul | 4.58 | 4.63 | -0.05 |
| Aug | 3.46 | 3.65 | -0.19 |
| Sep | 3.19 | 3.17 | 0.02 |
| Oct | 2.64 | 2.58 | 0.06 |
| Nov | 1.65 | 1.75 | -0.10 |
| Dec | 1.21 | 1.22 | -0.01 |
33.53 | 33.87 | -0.34 |