| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.38 | 3.59 | -0.21 |
| Feb | 3.43 | 3.51 | -0.08 |
| Mar | 4.53 | 4.47 | 0.06 |
| Apr | 4.87 | 4.95 | -0.08 |
| May | 5.22 | 5.16 | 0.06 |
| Jun | 4.72 | 4.65 | 0.07 |
| Jul | 4.41 | 4.29 | 0.12 |
| Aug | 3.74 | 3.37 | 0.37 |
| Sep | 3.59 | 3.71 | -0.12 |
| Oct | 3.80 | 3.61 | 0.19 |
| Nov | 3.55 | 3.67 | -0.12 |
| Dec | 4.13 | 4.37 | -0.24 |
49.37 | 49.35 | 0.02 |