| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.83 | 1.90 | -0.07 |
| Feb | 1.93 | 2.03 | -0.10 |
| Mar | 3.28 | 3.36 | -0.08 |
| Apr | 4.86 | 4.88 | -0.02 |
| May | 6.52 | 6.75 | -0.23 |
| Jun | 5.19 | 5.32 | -0.13 |
| Jul | 3.89 | 4.08 | -0.19 |
| Aug | 3.48 | 3.46 | 0.02 |
| Sep | 4.39 | 4.50 | -0.11 |
| Oct | 3.68 | 3.82 | -0.14 |
| Nov | 3.21 | 3.30 | -0.09 |
| Dec | 2.40 | 2.48 | -0.08 |
44.66 | 45.88 | -1.22 |