| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.36 | 1.40 | -0.04 |
| Feb | 1.39 | 1.45 | -0.06 |
| Mar | 2.14 | 2.08 | 0.06 |
| Apr | 3.72 | 3.86 | -0.14 |
| May | 4.22 | 4.32 | -0.10 |
| Jun | 5.43 | 5.36 | 0.07 |
| Jul | 4.54 | 4.40 | 0.14 |
| Aug | 4.19 | 4.19 | 0.00 |
| Sep | 3.60 | 3.48 | 0.12 |
| Oct | 2.85 | 2.83 | 0.02 |
| Nov | 2.21 | 2.19 | 0.02 |
| Dec | 1.60 | 1.67 | -0.07 |
37.25 | 37.23 | 0.02 |