| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.13 | 3.19 | -0.06 |
| Feb | 2.65 | 2.76 | -0.11 |
| Mar | 3.56 | 3.44 | 0.12 |
| Apr | 3.58 | 3.81 | -0.23 |
| May | 4.01 | 4.16 | -0.15 |
| Jun | 4.30 | 4.67 | -0.37 |
| Jul | 4.06 | 3.80 | 0.26 |
| Aug | 3.28 | 3.42 | -0.14 |
| Sep | 3.91 | 3.83 | 0.08 |
| Oct | 3.04 | 3.08 | -0.04 |
| Nov | 3.07 | 3.27 | -0.20 |
| Dec | 3.28 | 3.39 | -0.11 |
41.87 | 42.82 | -0.95 |