| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.51 | 1.56 | -0.05 |
| Feb | 1.55 | 1.61 | -0.06 |
| Mar | 2.06 | 2.08 | -0.02 |
| Apr | 3.56 | 3.58 | -0.02 |
| May | 4.23 | 4.11 | 0.12 |
| Jun | 5.27 | 5.13 | 0.14 |
| Jul | 3.94 | 3.80 | 0.14 |
| Aug | 4.11 | 4.25 | -0.14 |
| Sep | 3.65 | 3.61 | 0.04 |
| Oct | 2.85 | 2.88 | -0.03 |
| Nov | 2.29 | 2.30 | -0.01 |
| Dec | 1.85 | 1.90 | -0.05 |
36.87 | 36.81 | 0.06 |