| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.56 | 0.55 | 0.01 |
| Feb | 0.70 | 0.68 | 0.02 |
| Mar | 1.44 | 1.45 | -0.01 |
| Apr | 2.66 | 2.77 | -0.11 |
| May | 4.48 | 4.51 | -0.03 |
| Jun | 3.87 | 4.01 | -0.14 |
| Jul | 3.52 | 3.42 | 0.10 |
| Aug | 3.28 | 3.30 | -0.02 |
| Sep | 2.17 | 2.18 | -0.01 |
| Oct | 2.11 | 2.07 | 0.04 |
| Nov | 1.12 | 1.11 | 0.01 |
| Dec | 0.80 | 0.83 | -0.03 |
26.71 | 26.88 | -0.17 |