| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.59 | 0.64 | -0.05 |
| Feb | 0.46 | 0.41 | 0.05 |
| Mar | 1.14 | 1.07 | 0.07 |
| Apr | 1.16 | 1.03 | 0.13 |
| May | 2.28 | 2.27 | 0.01 |
| Jun | 2.79 | 2.92 | -0.13 |
| Jul | 2.49 | 2.25 | 0.24 |
| Aug | 2.72 | 2.83 | -0.11 |
| Sep | 1.73 | 1.81 | -0.08 |
| Oct | 1.90 | 2.05 | -0.15 |
| Nov | 0.67 | 0.70 | -0.03 |
| Dec | 0.70 | 0.62 | 0.08 |
18.63 | 18.60 | 0.03 |