| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.76 | 1.93 | -0.17 |
| Feb | 1.68 | 1.76 | -0.08 |
| Mar | 2.40 | 2.59 | -0.19 |
| Apr | 2.41 | 2.39 | 0.02 |
| May | 4.27 | 4.56 | -0.29 |
| Jun | 3.29 | 3.42 | -0.13 |
| Jul | 2.06 | 2.66 | -0.60 |
| Aug | 2.24 | 2.42 | -0.18 |
| Sep | 3.37 | 3.66 | -0.29 |
| Oct | 2.92 | 3.20 | -0.28 |
| Nov | 2.15 | 2.29 | -0.14 |
| Dec | 1.60 | 1.97 | -0.37 |
30.15 | 32.85 | -2.70 |