| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.60 | 0.56 | 0.04 |
| Feb | 0.82 | 0.80 | 0.02 |
| Mar | 1.51 | 1.50 | 0.01 |
| Apr | 3.19 | 3.16 | 0.03 |
| May | 3.73 | 3.79 | -0.06 |
| Jun | 4.03 | 4.05 | -0.02 |
| Jul | 3.24 | 3.20 | 0.04 |
| Aug | 3.19 | 3.14 | 0.05 |
| Sep | 2.87 | 2.88 | -0.01 |
| Oct | 2.43 | 2.46 | -0.03 |
| Nov | 1.17 | 1.12 | 0.05 |
| Dec | 0.86 | 0.86 | 0.00 |
27.64 | 27.52 | 0.12 |