| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.68 | 1.66 | 0.02 |
| Feb | 1.81 | 1.73 | 0.08 |
| Mar | 2.54 | 2.60 | -0.06 |
| Apr | 2.42 | 2.32 | 0.10 |
| May | 4.29 | 4.14 | 0.15 |
| Jun | 2.93 | 3.12 | -0.19 |
| Jul | 1.93 | 1.94 | -0.01 |
| Aug | 2.20 | 2.23 | -0.03 |
| Sep | 3.39 | 3.53 | -0.14 |
| Oct | 2.95 | 3.03 | -0.08 |
| Nov | 2.30 | 2.27 | 0.03 |
| Dec | 1.86 | 1.92 | -0.06 |
30.30 | 30.49 | -0.19 |