| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.82 | 0.80 | 0.02 |
| Feb | 1.22 | 1.24 | -0.02 |
| Mar | 2.23 | 2.21 | 0.02 |
| Apr | 3.18 | 3.11 | 0.07 |
| May | 5.03 | 4.95 | 0.08 |
| Jun | 4.56 | 4.48 | 0.08 |
| Jul | 4.42 | 4.29 | 0.13 |
| Aug | 4.22 | 4.14 | 0.08 |
| Sep | 3.12 | 3.11 | 0.01 |
| Oct | 2.56 | 2.48 | 0.08 |
| Nov | 1.59 | 1.58 | 0.01 |
| Dec | 1.24 | 1.22 | 0.02 |
34.19 | 33.61 | 0.58 |