| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.69 | 0.70 | -0.01 |
| Feb | 0.68 | 0.68 | 0.00 |
| Mar | 1.12 | 1.11 | 0.01 |
| Apr | 1.97 | 2.07 | -0.10 |
| May | 3.04 | 3.21 | -0.17 |
| Jun | 4.26 | 4.25 | 0.01 |
| Jul | 3.87 | 4.12 | -0.25 |
| Aug | 3.12 | 3.12 | 0.00 |
| Sep | 2.90 | 3.03 | -0.13 |
| Oct | 2.62 | 2.77 | -0.15 |
| Nov | 1.14 | 1.16 | -0.02 |
| Dec | 0.87 | 0.97 | -0.10 |
26.28 | 27.19 | -0.91 |