| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.40 | 1.53 | -0.13 |
| Feb | 1.43 | 1.58 | -0.15 |
| Mar | 2.14 | 2.18 | -0.04 |
| Apr | 3.69 | 3.86 | -0.17 |
| May | 4.20 | 4.39 | -0.19 |
| Jun | 5.39 | 5.43 | -0.04 |
| Jul | 4.47 | 4.49 | -0.02 |
| Aug | 4.10 | 4.15 | -0.05 |
| Sep | 3.58 | 3.52 | 0.06 |
| Oct | 2.85 | 2.88 | -0.03 |
| Nov | 2.21 | 2.24 | -0.03 |
| Dec | 1.62 | 1.76 | -0.14 |
37.08 | 38.01 | -0.93 |