| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.98 | 4.19 | -0.21 |
| Feb | 3.70 | 3.74 | -0.04 |
| Mar | 4.97 | 5.10 | -0.13 |
| Apr | 4.38 | 4.56 | -0.18 |
| May | 3.59 | 3.63 | -0.04 |
| Jun | 4.07 | 3.88 | 0.19 |
| Jul | 3.46 | 3.39 | 0.07 |
| Aug | 3.54 | 3.65 | -0.11 |
| Sep | 3.85 | 3.73 | 0.12 |
| Oct | 4.80 | 5.07 | -0.27 |
| Nov | 4.15 | 4.32 | -0.17 |
| Dec | 4.92 | 5.00 | -0.08 |
49.41 | 50.26 | -0.85 |