| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.38 | 2.49 | -0.11 |
| Feb | 1.98 | 1.96 | 0.02 |
| Mar | 2.51 | 2.58 | -0.07 |
| Apr | 3.20 | 3.12 | 0.08 |
| May | 3.75 | 3.81 | -0.06 |
| Jun | 4.39 | 4.25 | 0.14 |
| Jul | 4.24 | 4.50 | -0.26 |
| Aug | 4.05 | 4.08 | -0.03 |
| Sep | 3.63 | 3.40 | 0.23 |
| Oct | 4.05 | 3.80 | 0.25 |
| Nov | 2.99 | 3.00 | -0.01 |
| Dec | 2.86 | 2.88 | -0.02 |
40.03 | 39.87 | 0.16 |