| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.58 | 1.61 | -0.03 |
| Feb | 1.57 | 1.65 | -0.08 |
| Mar | 2.15 | 2.16 | -0.01 |
| Apr | 3.69 | 3.63 | 0.06 |
| May | 4.29 | 4.28 | 0.01 |
| Jun | 5.19 | 5.42 | -0.23 |
| Jul | 3.79 | 3.71 | 0.08 |
| Aug | 3.95 | 4.05 | -0.10 |
| Sep | 3.51 | 3.63 | -0.12 |
| Oct | 2.82 | 2.81 | 0.01 |
| Nov | 2.29 | 2.33 | -0.04 |
| Dec | 1.90 | 2.01 | -0.11 |
36.73 | 37.29 | -0.56 |