| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.59 | 3.55 | 0.04 |
| Feb | 2.67 | 2.62 | 0.05 |
| Mar | 2.90 | 3.15 | -0.25 |
| Apr | 2.11 | 2.18 | -0.07 |
| May | 1.60 | 1.81 | -0.21 |
| Jun | 1.39 | 1.76 | -0.37 |
| Jul | 0.66 | 0.81 | -0.15 |
| Aug | 0.70 | 0.77 | -0.07 |
| Sep | 1.13 | 1.19 | -0.06 |
| Oct | 2.42 | 2.25 | 0.17 |
| Nov | 4.30 | 4.07 | 0.23 |
| Dec | 4.34 | 4.20 | 0.14 |
27.81 | 28.36 | -0.55 |