| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.57 | 2.65 | -0.08 |
| Feb | 2.79 | 2.77 | 0.02 |
| Mar | 3.76 | 3.56 | 0.20 |
| Apr | 3.57 | 3.70 | -0.13 |
| May | 4.74 | 4.32 | 0.42 |
| Jun | 4.02 | 3.86 | 0.16 |
| Jul | 1.92 | 2.26 | -0.34 |
| Aug | 2.47 | 2.42 | 0.05 |
| Sep | 3.24 | 3.25 | -0.01 |
| Oct | 4.53 | 4.66 | -0.13 |
| Nov | 2.88 | 2.94 | -0.06 |
| Dec | 3.12 | 3.18 | -0.06 |
39.61 | 39.57 | 0.04 |