| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.73 | 1.75 | -0.02 |
| Feb | 1.65 | 1.66 | -0.01 |
| Mar | 2.30 | 2.40 | -0.10 |
| Apr | 2.34 | 2.37 | -0.03 |
| May | 3.84 | 4.05 | -0.21 |
| Jun | 3.14 | 3.64 | -0.50 |
| Jul | 2.26 | 2.63 | -0.37 |
| Aug | 2.36 | 2.44 | -0.08 |
| Sep | 3.37 | 3.32 | 0.05 |
| Oct | 3.15 | 3.20 | -0.05 |
| Nov | 2.03 | 2.11 | -0.08 |
| Dec | 1.74 | 1.76 | -0.02 |
29.91 | 31.33 | -1.42 |