| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.59 | 0.60 | -0.01 |
| Feb | 0.70 | 0.73 | -0.03 |
| Mar | 1.44 | 1.46 | -0.02 |
| Apr | 2.61 | 2.74 | -0.13 |
| May | 4.69 | 4.66 | 0.03 |
| Jun | 4.04 | 4.04 | 0.00 |
| Jul | 3.47 | 3.45 | 0.02 |
| Aug | 3.32 | 3.37 | -0.05 |
| Sep | 2.28 | 2.17 | 0.11 |
| Oct | 2.20 | 2.14 | 0.06 |
| Nov | 1.23 | 1.21 | 0.02 |
| Dec | 0.91 | 0.90 | 0.01 |
27.48 | 27.47 | 0.01 |