| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.71 | 0.65 | 0.06 |
| Feb | 0.75 | 0.73 | 0.02 |
| Mar | 1.37 | 1.37 | 0.00 |
| Apr | 2.37 | 2.40 | -0.03 |
| May | 3.39 | 3.39 | 0.00 |
| Jun | 4.39 | 4.43 | -0.04 |
| Jul | 4.21 | 4.15 | 0.06 |
| Aug | 3.58 | 3.62 | -0.04 |
| Sep | 2.93 | 3.01 | -0.08 |
| Oct | 2.65 | 2.66 | -0.01 |
| Nov | 1.28 | 1.24 | 0.04 |
| Dec | 0.88 | 0.90 | -0.02 |
28.51 | 28.55 | -0.04 |