| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.35 | 0.35 | 0.00 |
| Feb | 0.53 | 0.52 | 0.01 |
| Mar | 1.03 | 1.03 | 0.00 |
| Apr | 1.77 | 1.81 | -0.04 |
| May | 2.91 | 2.93 | -0.02 |
| Jun | 2.73 | 2.65 | 0.08 |
| Jul | 3.40 | 3.65 | -0.25 |
| Aug | 2.81 | 2.93 | -0.12 |
| Sep | 1.59 | 1.60 | -0.01 |
| Oct | 1.52 | 1.53 | -0.01 |
| Nov | 0.62 | 0.66 | -0.04 |
| Dec | 0.46 | 0.54 | -0.08 |
19.72 | 20.20 | -0.48 |