| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.59 | 0.56 | 0.03 |
| Feb | 0.48 | 0.53 | -0.05 |
| Mar | 0.74 | 0.81 | -0.07 |
| Apr | 1.07 | 1.01 | 0.06 |
| May | 2.36 | 2.46 | -0.10 |
| Jun | 3.73 | 3.91 | -0.18 |
| Jul | 2.54 | 2.71 | -0.17 |
| Aug | 2.08 | 2.08 | 0.00 |
| Sep | 1.64 | 1.66 | -0.02 |
| Oct | 1.38 | 1.42 | -0.04 |
| Nov | 0.72 | 0.77 | -0.05 |
| Dec | 0.66 | 0.66 | 0.00 |
17.99 | 18.58 | -0.59 |