| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.41 | 0.27 | 0.14 |
| Feb | 0.57 | 0.45 | 0.12 |
| Mar | 1.05 | 0.76 | 0.29 |
| Apr | 1.87 | 1.54 | 0.33 |
| May | 2.57 | 2.56 | 0.01 |
| Jun | 2.18 | 2.28 | -0.10 |
| Jul | 1.81 | 1.86 | -0.05 |
| Aug | 1.38 | 1.69 | -0.31 |
| Sep | 1.43 | 1.63 | -0.20 |
| Oct | 1.14 | 0.99 | 0.15 |
| Nov | 0.66 | 0.52 | 0.14 |
| Dec | 0.59 | 0.46 | 0.13 |
15.66 | 15.01 | 0.65 |