| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.59 | 3.65 | -0.06 |
| Feb | 3.14 | 3.11 | 0.03 |
| Mar | 3.90 | 4.09 | -0.19 |
| Apr | 3.74 | 3.88 | -0.14 |
| May | 3.59 | 3.63 | -0.04 |
| Jun | 4.34 | 4.52 | -0.18 |
| Jul | 4.04 | 4.62 | -0.58 |
| Aug | 4.28 | 4.49 | -0.21 |
| Sep | 4.06 | 4.12 | -0.06 |
| Oct | 3.22 | 3.38 | -0.16 |
| Nov | 3.26 | 3.37 | -0.11 |
| Dec | 3.64 | 3.65 | -0.01 |
44.80 | 46.51 | -1.71 |