| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.61 | 1.65 | -0.04 |
| Feb | 1.59 | 1.64 | -0.05 |
| Mar | 2.16 | 2.19 | -0.03 |
| Apr | 3.70 | 3.62 | 0.08 |
| May | 4.36 | 4.29 | 0.07 |
| Jun | 5.05 | 5.37 | -0.32 |
| Jul | 3.87 | 3.80 | 0.07 |
| Aug | 3.95 | 4.10 | -0.15 |
| Sep | 3.45 | 3.62 | -0.17 |
| Oct | 2.84 | 2.83 | 0.01 |
| Nov | 2.31 | 2.34 | -0.03 |
| Dec | 1.89 | 2.00 | -0.11 |
36.78 | 37.45 | -0.67 |