| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.21 | 3.19 | 0.02 |
| Feb | 2.81 | 2.76 | 0.05 |
| Mar | 3.55 | 3.37 | 0.18 |
| Apr | 3.86 | 3.74 | 0.12 |
| May | 3.68 | 3.64 | 0.04 |
| Jun | 4.26 | 4.36 | -0.10 |
| Jul | 4.18 | 4.30 | -0.12 |
| Aug | 3.93 | 3.91 | 0.02 |
| Sep | 3.74 | 3.59 | 0.15 |
| Oct | 4.17 | 4.31 | -0.14 |
| Nov | 3.54 | 3.51 | 0.03 |
| Dec | 3.81 | 4.04 | -0.23 |
44.74 | 44.72 | 0.02 |