| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.51 | 1.75 | -0.24 |
| Feb | 1.44 | 1.58 | -0.14 |
| Mar | 2.12 | 1.86 | 0.26 |
| Apr | 2.31 | 2.29 | 0.02 |
| May | 2.12 | 2.08 | 0.04 |
| Jun | 1.46 | 1.32 | 0.14 |
| Jul | 1.21 | 1.01 | 0.20 |
| Aug | 1.32 | 1.25 | 0.07 |
| Sep | 1.49 | 1.45 | 0.04 |
| Oct | 1.90 | 1.82 | 0.08 |
| Nov | 1.57 | 1.86 | -0.29 |
| Dec | 1.47 | 1.71 | -0.24 |
19.92 | 19.98 | -0.06 |