| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.46 | -0.07 |
| Feb | 3.26 | 3.56 | -0.30 |
| Mar | 4.60 | 4.64 | -0.04 |
| Apr | 4.44 | 4.58 | -0.14 |
| May | 5.11 | 5.26 | -0.15 |
| Jun | 4.81 | 4.91 | -0.10 |
| Jul | 5.18 | 4.88 | 0.30 |
| Aug | 3.44 | 3.41 | 0.03 |
| Sep | 3.62 | 3.42 | 0.20 |
| Oct | 3.41 | 3.45 | -0.04 |
| Nov | 3.19 | 3.14 | 0.05 |
| Dec | 3.92 | 4.05 | -0.13 |
48.37 | 48.76 | -0.39 |