| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.60 | 1.75 | -0.15 |
| Feb | 1.91 | 1.78 | 0.13 |
| Mar | 2.65 | 2.78 | -0.13 |
| Apr | 2.31 | 2.10 | 0.21 |
| May | 4.21 | 4.15 | 0.06 |
| Jun | 3.16 | 3.19 | -0.03 |
| Jul | 1.87 | 1.79 | 0.08 |
| Aug | 2.04 | 1.72 | 0.32 |
| Sep | 2.69 | 2.50 | 0.19 |
| Oct | 3.21 | 3.17 | 0.04 |
| Nov | 2.24 | 2.25 | -0.01 |
| Dec | 1.86 | 1.96 | -0.10 |
29.75 | 29.14 | 0.61 |