| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.60 | 0.58 | 0.02 |
| Feb | 0.77 | 0.77 | 0.00 |
| Mar | 1.48 | 1.47 | 0.01 |
| Apr | 2.23 | 2.35 | -0.12 |
| May | 2.59 | 2.48 | 0.11 |
| Jun | 1.74 | 1.67 | 0.07 |
| Jul | 1.92 | 1.75 | 0.17 |
| Aug | 1.78 | 1.63 | 0.15 |
| Sep | 1.34 | 1.30 | 0.04 |
| Oct | 1.16 | 1.23 | -0.07 |
| Nov | 0.92 | 0.92 | 0.00 |
| Dec | 0.58 | 0.66 | -0.08 |
17.11 | 16.81 | 0.30 |