| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.83 | 0.86 | -0.03 |
| Feb | 0.86 | 0.94 | -0.08 |
| Mar | 1.44 | 1.51 | -0.07 |
| Apr | 2.63 | 2.67 | -0.04 |
| May | 3.52 | 3.55 | -0.03 |
| Jun | 4.48 | 4.60 | -0.12 |
| Jul | 4.52 | 4.67 | -0.15 |
| Aug | 3.81 | 3.87 | -0.06 |
| Sep | 3.22 | 3.29 | -0.07 |
| Oct | 3.12 | 3.04 | 0.08 |
| Nov | 1.65 | 1.71 | -0.06 |
| Dec | 1.20 | 1.33 | -0.13 |
31.28 | 32.04 | -0.76 |