| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.53 | -0.14 |
| Feb | 3.19 | 3.26 | -0.07 |
| Mar | 4.51 | 4.58 | -0.07 |
| Apr | 5.16 | 5.37 | -0.21 |
| May | 5.52 | 5.37 | 0.15 |
| Jun | 4.66 | 4.66 | 0.00 |
| Jul | 4.24 | 4.48 | -0.24 |
| Aug | 3.02 | 3.14 | -0.12 |
| Sep | 3.50 | 3.75 | -0.25 |
| Oct | 3.51 | 3.50 | 0.01 |
| Nov | 4.10 | 4.10 | 0.00 |
| Dec | 3.96 | 4.00 | -0.04 |
48.76 | 49.74 | -0.98 |