| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.53 | 3.78 | -0.25 |
| Feb | 2.99 | 3.15 | -0.16 |
| Mar | 3.67 | 4.05 | -0.38 |
| Apr | 3.37 | 3.54 | -0.17 |
| May | 3.71 | 3.13 | 0.58 |
| Jun | 4.01 | 3.83 | 0.18 |
| Jul | 3.78 | 3.58 | 0.20 |
| Aug | 4.14 | 4.12 | 0.02 |
| Sep | 3.71 | 3.86 | -0.15 |
| Oct | 3.19 | 3.46 | -0.27 |
| Nov | 3.17 | 3.29 | -0.12 |
| Dec | 3.37 | 3.72 | -0.35 |
42.64 | 43.51 | -0.87 |