| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.82 | -0.10 |
| Feb | 0.80 | 0.85 | -0.05 |
| Mar | 1.54 | 1.59 | -0.05 |
| Apr | 2.81 | 3.00 | -0.19 |
| May | 4.19 | 4.31 | -0.12 |
| Jun | 4.51 | 4.50 | 0.01 |
| Jul | 4.28 | 4.29 | -0.01 |
| Aug | 4.12 | 4.15 | -0.03 |
| Sep | 3.18 | 3.19 | -0.01 |
| Oct | 2.87 | 2.75 | 0.12 |
| Nov | 1.59 | 1.65 | -0.06 |
| Dec | 1.06 | 1.20 | -0.14 |
31.67 | 32.30 | -0.63 |