| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.88 | 0.92 | -0.04 |
| Feb | 0.85 | 0.96 | -0.11 |
| Mar | 1.35 | 1.44 | -0.09 |
| Apr | 2.45 | 2.59 | -0.14 |
| May | 3.26 | 3.41 | -0.15 |
| Jun | 4.39 | 4.50 | -0.11 |
| Jul | 4.06 | 4.21 | -0.15 |
| Aug | 3.65 | 3.80 | -0.15 |
| Sep | 3.19 | 3.30 | -0.11 |
| Oct | 2.96 | 3.08 | -0.12 |
| Nov | 1.69 | 1.85 | -0.16 |
| Dec | 1.25 | 1.51 | -0.26 |
29.98 | 31.57 | -1.59 |