| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.05 | 1.16 | -0.11 |
| Feb | 1.28 | 1.36 | -0.08 |
| Mar | 2.02 | 2.08 | -0.06 |
| Apr | 3.87 | 3.85 | 0.02 |
| May | 4.44 | 4.69 | -0.25 |
| Jun | 5.64 | 5.67 | -0.03 |
| Jul | 4.34 | 4.48 | -0.14 |
| Aug | 4.25 | 4.34 | -0.09 |
| Sep | 3.66 | 3.85 | -0.19 |
| Oct | 2.93 | 3.00 | -0.07 |
| Nov | 2.14 | 2.18 | -0.04 |
| Dec | 1.59 | 1.65 | -0.06 |
37.21 | 38.31 | -1.10 |