| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.64 | -0.19 |
| Feb | 2.98 | 3.12 | -0.14 |
| Mar | 3.80 | 4.04 | -0.24 |
| Apr | 3.88 | 4.02 | -0.14 |
| May | 3.75 | 3.59 | 0.16 |
| Jun | 4.05 | 4.10 | -0.05 |
| Jul | 4.32 | 4.19 | 0.13 |
| Aug | 4.17 | 4.28 | -0.11 |
| Sep | 4.01 | 4.04 | -0.03 |
| Oct | 3.18 | 3.23 | -0.05 |
| Nov | 3.20 | 3.29 | -0.09 |
| Dec | 3.49 | 3.78 | -0.29 |
44.28 | 45.32 | -1.04 |