| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.60 | 0.61 | -0.01 |
| Feb | 0.67 | 0.65 | 0.02 |
| Mar | 1.47 | 1.47 | 0.00 |
| Apr | 2.16 | 2.30 | -0.14 |
| May | 2.15 | 2.17 | -0.02 |
| Jun | 1.86 | 2.01 | -0.15 |
| Jul | 2.21 | 2.33 | -0.12 |
| Aug | 2.09 | 2.31 | -0.22 |
| Sep | 1.32 | 1.48 | -0.16 |
| Oct | 1.05 | 1.07 | -0.02 |
| Nov | 0.79 | 0.76 | 0.03 |
| Dec | 0.63 | 0.60 | 0.03 |
17.00 | 17.76 | -0.76 |