| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.97 | -0.20 |
| Feb | 0.80 | 0.93 | -0.13 |
| Mar | 1.63 | 1.76 | -0.13 |
| Apr | 2.89 | 3.14 | -0.25 |
| May | 4.13 | 4.28 | -0.15 |
| Jun | 4.62 | 4.91 | -0.29 |
| Jul | 4.19 | 4.41 | -0.22 |
| Aug | 4.59 | 4.42 | 0.17 |
| Sep | 3.32 | 3.40 | -0.08 |
| Oct | 2.78 | 2.98 | -0.20 |
| Nov | 1.60 | 1.70 | -0.10 |
| Dec | 1.11 | 1.34 | -0.23 |
32.43 | 34.24 | -1.81 |