| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.40 | 1.39 | 0.01 |
| Feb | 1.64 | 1.74 | -0.10 |
| Mar | 2.45 | 2.44 | 0.01 |
| Apr | 3.61 | 3.54 | 0.07 |
| May | 5.03 | 4.90 | 0.13 |
| Jun | 5.11 | 4.86 | 0.25 |
| Jul | 4.01 | 3.76 | 0.25 |
| Aug | 3.90 | 3.90 | 0.00 |
| Sep | 3.53 | 3.38 | 0.15 |
| Oct | 2.87 | 2.75 | 0.12 |
| Nov | 2.25 | 2.18 | 0.07 |
| Dec | 1.76 | 1.80 | -0.04 |
37.56 | 36.64 | 0.92 |