| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.48 | 0.50 | -0.02 |
| Feb | 0.56 | 0.60 | -0.04 |
| Mar | 1.19 | 1.26 | -0.07 |
| Apr | 2.03 | 2.00 | 0.03 |
| May | 2.81 | 2.80 | 0.01 |
| Jun | 1.85 | 1.82 | 0.03 |
| Jul | 1.83 | 1.80 | 0.03 |
| Aug | 1.60 | 1.51 | 0.09 |
| Sep | 1.43 | 1.46 | -0.03 |
| Oct | 1.15 | 1.13 | 0.02 |
| Nov | 0.75 | 0.77 | -0.02 |
| Dec | 0.44 | 0.52 | -0.08 |
16.12 | 16.17 | -0.05 |