| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.83 | -0.05 |
| Feb | 1.15 | 1.18 | -0.03 |
| Mar | 2.20 | 2.22 | -0.02 |
| Apr | 2.56 | 2.60 | -0.04 |
| May | 4.82 | 4.80 | 0.02 |
| Jun | 4.35 | 4.32 | 0.03 |
| Jul | 3.79 | 3.71 | 0.08 |
| Aug | 3.64 | 3.57 | 0.07 |
| Sep | 2.36 | 2.26 | 0.10 |
| Oct | 2.47 | 2.46 | 0.01 |
| Nov | 1.36 | 1.33 | 0.03 |
| Dec | 1.12 | 1.14 | -0.02 |
30.60 | 30.42 | 0.18 |