| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.65 | 0.83 | -0.18 |
| Feb | 0.88 | 1.10 | -0.22 |
| Mar | 1.61 | 2.27 | -0.66 |
| Apr | 2.65 | 3.24 | -0.59 |
| May | 2.76 | 2.91 | -0.15 |
| Jun | 1.99 | 1.96 | 0.03 |
| Jul | 2.39 | 2.28 | 0.11 |
| Aug | 2.20 | 2.04 | 0.16 |
| Sep | 1.67 | 1.75 | -0.08 |
| Oct | 1.28 | 1.42 | -0.14 |
| Nov | 0.87 | 1.03 | -0.16 |
| Dec | 0.60 | 0.92 | -0.32 |
19.55 | 21.75 | -2.20 |