| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.27 | 3.28 | -0.01 |
| Feb | 2.81 | 2.83 | -0.02 |
| Mar | 3.80 | 3.91 | -0.11 |
| Apr | 4.47 | 4.59 | -0.12 |
| May | 4.78 | 4.93 | -0.15 |
| Jun | 4.74 | 4.60 | 0.14 |
| Jul | 3.96 | 4.13 | -0.17 |
| Aug | 3.40 | 3.46 | -0.06 |
| Sep | 3.15 | 2.97 | 0.18 |
| Oct | 3.15 | 3.10 | 0.05 |
| Nov | 3.08 | 3.09 | -0.01 |
| Dec | 3.39 | 3.48 | -0.09 |
44.00 | 44.37 | -0.37 |