| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.47 | 1.53 | -0.06 |
| Feb | 1.56 | 1.65 | -0.09 |
| Mar | 2.14 | 2.06 | 0.08 |
| Apr | 3.63 | 3.76 | -0.13 |
| May | 4.11 | 4.16 | -0.05 |
| Jun | 5.52 | 5.58 | -0.06 |
| Jul | 4.09 | 3.87 | 0.22 |
| Aug | 4.27 | 4.26 | 0.01 |
| Sep | 3.77 | 3.83 | -0.06 |
| Oct | 2.91 | 2.98 | -0.07 |
| Nov | 2.41 | 2.27 | 0.14 |
| Dec | 1.86 | 1.85 | 0.01 |
37.74 | 37.80 | -0.06 |