| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.80 | 1.96 | -0.16 |
| Feb | 1.77 | 1.86 | -0.09 |
| Mar | 2.32 | 2.26 | 0.06 |
| Apr | 3.77 | 3.76 | 0.01 |
| May | 4.74 | 4.76 | -0.02 |
| Jun | 4.51 | 4.35 | 0.16 |
| Jul | 3.76 | 3.70 | 0.06 |
| Aug | 3.90 | 4.01 | -0.11 |
| Sep | 3.40 | 3.35 | 0.05 |
| Oct | 3.30 | 3.35 | -0.05 |
| Nov | 2.45 | 2.53 | -0.08 |
| Dec | 2.07 | 2.12 | -0.05 |
37.79 | 38.01 | -0.22 |