| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.15 | 4.16 | -0.01 |
| Feb | 2.62 | 2.70 | -0.08 |
| Mar | 2.65 | 2.66 | -0.01 |
| Apr | 1.64 | 1.54 | 0.10 |
| May | 1.12 | 1.20 | -0.08 |
| Jun | 0.87 | 0.99 | -0.12 |
| Jul | 0.51 | 0.52 | -0.01 |
| Aug | 0.68 | 0.66 | 0.02 |
| Sep | 1.22 | 1.27 | -0.05 |
| Oct | 3.13 | 2.75 | 0.38 |
| Nov | 4.61 | 4.90 | -0.29 |
| Dec | 4.43 | 4.46 | -0.03 |
27.63 | 27.81 | -0.18 |