| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.45 | 0.46 | -0.01 |
| Feb | 0.49 | 0.52 | -0.03 |
| Mar | 0.70 | 0.77 | -0.07 |
| Apr | 1.51 | 1.36 | 0.15 |
| May | 2.67 | 2.63 | 0.04 |
| Jun | 2.96 | 3.13 | -0.17 |
| Jul | 2.11 | 2.19 | -0.08 |
| Aug | 1.45 | 1.58 | -0.13 |
| Sep | 1.46 | 1.53 | -0.07 |
| Oct | 1.42 | 1.51 | -0.09 |
| Nov | 0.50 | 0.52 | -0.02 |
| Dec | 0.44 | 0.45 | -0.01 |
16.16 | 16.65 | -0.49 |