| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.93 | 5.13 | -0.20 |
| Feb | 5.19 | 4.95 | 0.24 |
| Mar | 4.06 | 4.24 | -0.18 |
| Apr | 2.01 | 1.96 | 0.05 |
| May | 1.17 | 1.24 | -0.07 |
| Jun | 0.44 | 0.39 | 0.05 |
| Jul | 0.01 | 0.01 | 0.00 |
| Aug | 0.07 | 0.10 | -0.03 |
| Sep | 0.21 | 0.18 | 0.03 |
| Oct | 1.48 | 1.44 | 0.04 |
| Nov | 2.82 | 2.75 | 0.07 |
| Dec | 4.80 | 5.08 | -0.28 |
27.19 | 27.47 | -0.28 |