| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.87 | 2.81 | 0.06 |
| Feb | 2.22 | 2.19 | 0.03 |
| Mar | 2.80 | 2.74 | 0.06 |
| Apr | 2.63 | 2.69 | -0.06 |
| May | 3.14 | 3.12 | 0.02 |
| Jun | 8.06 | 8.18 | -0.12 |
| Jul | 8.36 | 8.22 | 0.14 |
| Aug | 9.06 | 8.78 | 0.28 |
| Sep | 6.60 | 6.85 | -0.25 |
| Oct | 2.64 | 2.77 | -0.13 |
| Nov | 1.74 | 1.86 | -0.12 |
| Dec | 2.38 | 2.36 | 0.02 |
52.50 | 52.57 | -0.07 |