| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.44 | 0.63 | -0.19 |
| Feb | 0.49 | 0.62 | -0.13 |
| Mar | 0.80 | 0.95 | -0.15 |
| Apr | 1.65 | 2.20 | -0.55 |
| May | 2.55 | 3.01 | -0.46 |
| Jun | 2.35 | 2.69 | -0.34 |
| Jul | 1.33 | 1.36 | -0.03 |
| Aug | 1.01 | 1.01 | 0.00 |
| Sep | 1.19 | 1.31 | -0.12 |
| Oct | 1.19 | 1.48 | -0.29 |
| Nov | 0.64 | 0.75 | -0.11 |
| Dec | 0.52 | 0.70 | -0.18 |
14.16 | 16.71 | -2.55 |