| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.64 | 0.70 | -0.06 |
| Feb | 0.68 | 0.69 | -0.01 |
| Mar | 1.20 | 1.21 | -0.01 |
| Apr | 2.16 | 2.21 | -0.05 |
| May | 3.26 | 3.44 | -0.18 |
| Jun | 4.38 | 4.25 | 0.13 |
| Jul | 4.20 | 4.19 | 0.01 |
| Aug | 3.16 | 3.05 | 0.11 |
| Sep | 3.00 | 2.77 | 0.23 |
| Oct | 2.61 | 2.66 | -0.05 |
| Nov | 1.14 | 1.10 | 0.04 |
| Dec | 0.80 | 0.80 | 0.00 |
27.23 | 27.07 | 0.16 |