| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.44 | 3.58 | -0.14 |
| Feb | 3.30 | 3.33 | -0.03 |
| Mar | 4.49 | 4.59 | -0.10 |
| Apr | 5.05 | 5.12 | -0.07 |
| May | 5.32 | 5.61 | -0.29 |
| Jun | 4.85 | 4.87 | -0.02 |
| Jul | 4.46 | 4.50 | -0.04 |
| Aug | 3.75 | 3.52 | 0.23 |
| Sep | 3.56 | 3.83 | -0.27 |
| Oct | 3.63 | 3.61 | 0.02 |
| Nov | 3.64 | 3.76 | -0.12 |
| Dec | 4.10 | 4.28 | -0.18 |
49.59 | 50.60 | -1.01 |