| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.86 | 0.91 | -0.05 |
| Feb | 1.23 | 1.36 | -0.13 |
| Mar | 2.32 | 2.33 | -0.01 |
| Apr | 3.70 | 3.79 | -0.09 |
| May | 5.26 | 5.46 | -0.20 |
| Jun | 5.00 | 5.07 | -0.07 |
| Jul | 4.27 | 4.20 | 0.07 |
| Aug | 4.36 | 4.47 | -0.11 |
| Sep | 3.53 | 3.56 | -0.03 |
| Oct | 2.72 | 2.92 | -0.20 |
| Nov | 1.83 | 1.84 | -0.01 |
| Dec | 1.48 | 1.60 | -0.12 |
36.56 | 37.51 | -0.95 |