| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.40 | 2.50 | -0.10 |
| Feb | 2.75 | 2.70 | 0.05 |
| Mar | 3.48 | 3.52 | -0.04 |
| Apr | 3.36 | 3.38 | -0.02 |
| May | 4.58 | 4.64 | -0.06 |
| Jun | 3.94 | 3.86 | 0.08 |
| Jul | 2.07 | 2.17 | -0.10 |
| Aug | 2.32 | 2.18 | 0.14 |
| Sep | 2.97 | 3.00 | -0.03 |
| Oct | 4.63 | 4.50 | 0.13 |
| Nov | 2.80 | 2.93 | -0.13 |
| Dec | 2.91 | 3.02 | -0.11 |
38.21 | 38.40 | -0.19 |