| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.40 | 0.42 | -0.02 |
| Feb | 0.60 | 0.55 | 0.05 |
| Mar | 1.16 | 1.17 | -0.01 |
| Apr | 2.38 | 2.38 | 0.00 |
| May | 4.18 | 4.16 | 0.02 |
| Jun | 3.39 | 3.33 | 0.06 |
| Jul | 2.95 | 2.95 | 0.00 |
| Aug | 2.11 | 2.20 | -0.09 |
| Sep | 1.56 | 1.45 | 0.11 |
| Oct | 1.62 | 1.66 | -0.04 |
| Nov | 0.58 | 0.61 | -0.03 |
| Dec | 0.44 | 0.46 | -0.02 |
21.37 | 21.34 | 0.03 |