| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.80 | 1.86 | -0.06 |
| Feb | 1.70 | 1.76 | -0.06 |
| Mar | 2.18 | 2.30 | -0.12 |
| Apr | 3.61 | 3.59 | 0.02 |
| May | 4.57 | 4.49 | 0.08 |
| Jun | 4.42 | 4.46 | -0.04 |
| Jul | 3.87 | 3.94 | -0.07 |
| Aug | 3.82 | 3.76 | 0.06 |
| Sep | 3.31 | 3.37 | -0.06 |
| Oct | 3.12 | 3.19 | -0.07 |
| Nov | 2.46 | 2.48 | -0.02 |
| Dec | 1.95 | 2.03 | -0.08 |
36.81 | 37.23 | -0.42 |